Home / 21,622.52-29,842.38-15,652

Finding the Fourth Proportional to 21,622.52, 29,842.38 and 15,652

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Solution

The fourth proportional to 21,622.52, 29,842.38 and 15,652 is: 21,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.52 : 29,842.38 = 15,652 : x
  2. Step 2: Convert to fraction form
    21,622.52/29,842.38 = 15,652/x
  3. Step 3: Cross multiply
    21,622.52x = 29,842.38 × 15,652
  4. Step 4: Simplify right side
    21,622.52x = 467,092,931.76
  5. Step 5: Solve for x
    x = 467,092,931.76/21,622.52
  6. Step 6: Final answer
    x = 21,602.15

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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.