Home / 23,287.38-32,128.25-15,632.54

Finding the Fourth Proportional to 23,287.38, 32,128.25 and 15,632.54

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Solution

The fourth proportional to 23,287.38, 32,128.25 and 15,632.54 is: 21,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.38 : 32,128.25 = 15,632.54 : x
  2. Step 2: Convert to fraction form
    23,287.38/32,128.25 = 15,632.54/x
  3. Step 3: Cross multiply
    23,287.38x = 32,128.25 × 15,632.54
  4. Step 4: Simplify right side
    23,287.38x = 502,246,153.26
  5. Step 5: Solve for x
    x = 502,246,153.26/23,287.38
  6. Step 6: Final answer
    x = 21,567.31

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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.