Home / 23,155.13-31,921.26-16,456.10

Finding the Fourth Proportional to 23,155.13, 31,921.26 and 16,456.10

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Solution

The fourth proportional to 23,155.13, 31,921.26 and 16,456.10 is: 22,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.13 : 31,921.26 = 16,456.10 : x
  2. Step 2: Convert to fraction form
    23,155.13/31,921.26 = 16,456.10/x
  3. Step 3: Cross multiply
    23,155.13x = 31,921.26 × 16,456.10
  4. Step 4: Simplify right side
    23,155.13x = 525,299,287.08
  5. Step 5: Solve for x
    x = 525,299,287.08/23,155.13
  6. Step 6: Final answer
    x = 22,686.09

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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.