Home / 21,332.80-31,973.25-15,094.61

Finding the Fourth Proportional to 21,332.80, 31,973.25 and 15,094.61

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Solution

The fourth proportional to 21,332.80, 31,973.25 and 15,094.61 is: 22,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.80 : 31,973.25 = 15,094.61 : x
  2. Step 2: Convert to fraction form
    21,332.80/31,973.25 = 15,094.61/x
  3. Step 3: Cross multiply
    21,332.80x = 31,973.25 × 15,094.61
  4. Step 4: Simplify right side
    21,332.80x = 482,623,663.71
  5. Step 5: Solve for x
    x = 482,623,663.71/21,332.80
  6. Step 6: Final answer
    x = 22,623.55

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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.