Home / 25,690.04-35,453.90-15,075.80

Finding the Fourth Proportional to 25,690.04, 35,453.90 and 15,075.80

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Solution

The fourth proportional to 25,690.04, 35,453.90 and 15,075.80 is: 20,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.04 : 35,453.90 = 15,075.80 : x
  2. Step 2: Convert to fraction form
    25,690.04/35,453.90 = 15,075.80/x
  3. Step 3: Cross multiply
    25,690.04x = 35,453.90 × 15,075.80
  4. Step 4: Simplify right side
    25,690.04x = 534,495,905.62
  5. Step 5: Solve for x
    x = 534,495,905.62/25,690.04
  6. Step 6: Final answer
    x = 20,805.57

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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.