Home / 25,547.92-38,318.64-18,983.68

Finding the Fourth Proportional to 25,547.92, 38,318.64 and 18,983.68

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Solution

The fourth proportional to 25,547.92, 38,318.64 and 18,983.68 is: 28,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.92 : 38,318.64 = 18,983.68 : x
  2. Step 2: Convert to fraction form
    25,547.92/38,318.64 = 18,983.68/x
  3. Step 3: Cross multiply
    25,547.92x = 38,318.64 × 18,983.68
  4. Step 4: Simplify right side
    25,547.92x = 727,428,799.80
  5. Step 5: Solve for x
    x = 727,428,799.80/25,547.92
  6. Step 6: Final answer
    x = 28,473.11

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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.