Home / 21,277.47-29,354.97-21,244.66

Finding the Fourth Proportional to 21,277.47, 29,354.97 and 21,244.66

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Solution

The fourth proportional to 21,277.47, 29,354.97 and 21,244.66 is: 29,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.47 : 29,354.97 = 21,244.66 : x
  2. Step 2: Convert to fraction form
    21,277.47/29,354.97 = 21,244.66/x
  3. Step 3: Cross multiply
    21,277.47x = 29,354.97 × 21,244.66
  4. Step 4: Simplify right side
    21,277.47x = 623,636,356.96
  5. Step 5: Solve for x
    x = 623,636,356.96/21,277.47
  6. Step 6: Final answer
    x = 29,309.70

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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.