Home / 31,802.72-47,706.28-15,159.92

Finding the Fourth Proportional to 31,802.72, 47,706.28 and 15,159.92

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Solution

The fourth proportional to 31,802.72, 47,706.28 and 15,159.92 is: 22,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.72 : 47,706.28 = 15,159.92 : x
  2. Step 2: Convert to fraction form
    31,802.72/47,706.28 = 15,159.92/x
  3. Step 3: Cross multiply
    31,802.72x = 47,706.28 × 15,159.92
  4. Step 4: Simplify right side
    31,802.72x = 723,223,388.30
  5. Step 5: Solve for x
    x = 723,223,388.30/31,802.72
  6. Step 6: Final answer
    x = 22,740.93

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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.