Home / 21,502.64-32,226.42-11,617.40

Finding the Fourth Proportional to 21,502.64, 32,226.42 and 11,617.40

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Solution

The fourth proportional to 21,502.64, 32,226.42 and 11,617.40 is: 17,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.64 : 32,226.42 = 11,617.40 : x
  2. Step 2: Convert to fraction form
    21,502.64/32,226.42 = 11,617.40/x
  3. Step 3: Cross multiply
    21,502.64x = 32,226.42 × 11,617.40
  4. Step 4: Simplify right side
    21,502.64x = 374,387,211.71
  5. Step 5: Solve for x
    x = 374,387,211.71/21,502.64
  6. Step 6: Final answer
    x = 17,411.22

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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.