Home / 25,585.71-38,346.32-13,710.03

Finding the Fourth Proportional to 25,585.71, 38,346.32 and 13,710.03

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Solution

The fourth proportional to 25,585.71, 38,346.32 and 13,710.03 is: 20,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.71 : 38,346.32 = 13,710.03 : x
  2. Step 2: Convert to fraction form
    25,585.71/38,346.32 = 13,710.03/x
  3. Step 3: Cross multiply
    25,585.71x = 38,346.32 × 13,710.03
  4. Step 4: Simplify right side
    25,585.71x = 525,729,129.04
  5. Step 5: Solve for x
    x = 525,729,129.04/25,585.71
  6. Step 6: Final answer
    x = 20,547.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.