Home / 21,612.81-29,850.29-14,526.93

Finding the Fourth Proportional to 21,612.81, 29,850.29 and 14,526.93

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Solution

The fourth proportional to 21,612.81, 29,850.29 and 14,526.93 is: 20,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.81 : 29,850.29 = 14,526.93 : x
  2. Step 2: Convert to fraction form
    21,612.81/29,850.29 = 14,526.93/x
  3. Step 3: Cross multiply
    21,612.81x = 29,850.29 × 14,526.93
  4. Step 4: Simplify right side
    21,612.81x = 433,633,073.31
  5. Step 5: Solve for x
    x = 433,633,073.31/21,612.81
  6. Step 6: Final answer
    x = 20,063.71

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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.