Home / 25,068.81-34,593.96-14,991.30

Finding the Fourth Proportional to 25,068.81, 34,593.96 and 14,991.30

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Solution

The fourth proportional to 25,068.81, 34,593.96 and 14,991.30 is: 20,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,068.81 : 34,593.96 = 14,991.30 : x
  2. Step 2: Convert to fraction form
    25,068.81/34,593.96 = 14,991.30/x
  3. Step 3: Cross multiply
    25,068.81x = 34,593.96 × 14,991.30
  4. Step 4: Simplify right side
    25,068.81x = 518,608,432.55
  5. Step 5: Solve for x
    x = 518,608,432.55/25,068.81
  6. Step 6: Final answer
    x = 20,687.40

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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.