Home / 21,130.44-29,101.17-16,332.71

Finding the Fourth Proportional to 21,130.44, 29,101.17 and 16,332.71

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Solution

The fourth proportional to 21,130.44, 29,101.17 and 16,332.71 is: 22,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130.44 : 29,101.17 = 16,332.71 : x
  2. Step 2: Convert to fraction form
    21,130.44/29,101.17 = 16,332.71/x
  3. Step 3: Cross multiply
    21,130.44x = 29,101.17 × 16,332.71
  4. Step 4: Simplify right side
    21,130.44x = 475,300,886.01
  5. Step 5: Solve for x
    x = 475,300,886.01/21,130.44
  6. Step 6: Final answer
    x = 22,493.66

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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.