Home / 23,491.68-32,407.62-20,805.66

Finding the Fourth Proportional to 23,491.68, 32,407.62 and 20,805.66

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Solution

The fourth proportional to 23,491.68, 32,407.62 and 20,805.66 is: 28,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.68 : 32,407.62 = 20,805.66 : x
  2. Step 2: Convert to fraction form
    23,491.68/32,407.62 = 20,805.66/x
  3. Step 3: Cross multiply
    23,491.68x = 32,407.62 × 20,805.66
  4. Step 4: Simplify right side
    23,491.68x = 674,261,923.13
  5. Step 5: Solve for x
    x = 674,261,923.13/23,491.68
  6. Step 6: Final answer
    x = 28,702.16

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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.