Home / 21,133.31-29,132.93-16,088.76

Finding the Fourth Proportional to 21,133.31, 29,132.93 and 16,088.76

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Solution

The fourth proportional to 21,133.31, 29,132.93 and 16,088.76 is: 22,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133.31 : 29,132.93 = 16,088.76 : x
  2. Step 2: Convert to fraction form
    21,133.31/29,132.93 = 16,088.76/x
  3. Step 3: Cross multiply
    21,133.31x = 29,132.93 × 16,088.76
  4. Step 4: Simplify right side
    21,133.31x = 468,712,759.09
  5. Step 5: Solve for x
    x = 468,712,759.09/21,133.31
  6. Step 6: Final answer
    x = 22,178.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.