Home / 25,555.84-35,268.72-14,225.20

Finding the Fourth Proportional to 25,555.84, 35,268.72 and 14,225.20

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Solution

The fourth proportional to 25,555.84, 35,268.72 and 14,225.20 is: 19,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.84 : 35,268.72 = 14,225.20 : x
  2. Step 2: Convert to fraction form
    25,555.84/35,268.72 = 14,225.20/x
  3. Step 3: Cross multiply
    25,555.84x = 35,268.72 × 14,225.20
  4. Step 4: Simplify right side
    25,555.84x = 501,704,595.74
  5. Step 5: Solve for x
    x = 501,704,595.74/25,555.84
  6. Step 6: Final answer
    x = 19,631.70

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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.