Home / 21,463.71-32,159.98-15,192.69

Finding the Fourth Proportional to 21,463.71, 32,159.98 and 15,192.69

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Solution

The fourth proportional to 21,463.71, 32,159.98 and 15,192.69 is: 22,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.71 : 32,159.98 = 15,192.69 : x
  2. Step 2: Convert to fraction form
    21,463.71/32,159.98 = 15,192.69/x
  3. Step 3: Cross multiply
    21,463.71x = 32,159.98 × 15,192.69
  4. Step 4: Simplify right side
    21,463.71x = 488,596,606.55
  5. Step 5: Solve for x
    x = 488,596,606.55/21,463.71
  6. Step 6: Final answer
    x = 22,763.85

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1.5x scale

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.