Home / 21,292.64-29,394.56-16,501.92

Finding the Fourth Proportional to 21,292.64, 29,394.56 and 16,501.92

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Solution

The fourth proportional to 21,292.64, 29,394.56 and 16,501.92 is: 22,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.64 : 29,394.56 = 16,501.92 : x
  2. Step 2: Convert to fraction form
    21,292.64/29,394.56 = 16,501.92/x
  3. Step 3: Cross multiply
    21,292.64x = 29,394.56 × 16,501.92
  4. Step 4: Simplify right side
    21,292.64x = 485,066,677.56
  5. Step 5: Solve for x
    x = 485,066,677.56/21,292.64
  6. Step 6: Final answer
    x = 22,780.96

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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.