Home / 21,502.28-32,265.86-9,021.18

Finding the Fourth Proportional to 21,502.28, 32,265.86 and 9,021.18

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Solution

The fourth proportional to 21,502.28, 32,265.86 and 9,021.18 is: 13,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.28 : 32,265.86 = 9,021.18 : x
  2. Step 2: Convert to fraction form
    21,502.28/32,265.86 = 9,021.18/x
  3. Step 3: Cross multiply
    21,502.28x = 32,265.86 × 9,021.18
  4. Step 4: Simplify right side
    21,502.28x = 291,076,130.91
  5. Step 5: Solve for x
    x = 291,076,130.91/21,502.28
  6. Step 6: Final answer
    x = 13,536.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.