Home / 25,403.85-35,057.21-14,075.19

Finding the Fourth Proportional to 25,403.85, 35,057.21 and 14,075.19

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Solution

The fourth proportional to 25,403.85, 35,057.21 and 14,075.19 is: 19,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.85 : 35,057.21 = 14,075.19 : x
  2. Step 2: Convert to fraction form
    25,403.85/35,057.21 = 14,075.19/x
  3. Step 3: Cross multiply
    25,403.85x = 35,057.21 × 14,075.19
  4. Step 4: Simplify right side
    25,403.85x = 493,436,821.24
  5. Step 5: Solve for x
    x = 493,436,821.24/25,403.85
  6. Step 6: Final answer
    x = 19,423.70

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.