Home / 52,128.60-71,937.54-28,255.26

Finding the Fourth Proportional to 52,128.60, 71,937.54 and 28,255.26

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Solution

The fourth proportional to 52,128.60, 71,937.54 and 28,255.26 is: 38,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.60 : 71,937.54 = 28,255.26 : x
  2. Step 2: Convert to fraction form
    52,128.60/71,937.54 = 28,255.26/x
  3. Step 3: Cross multiply
    52,128.60x = 71,937.54 × 28,255.26
  4. Step 4: Simplify right side
    52,128.60x = 2,032,613,896.46
  5. Step 5: Solve for x
    x = 2,032,613,896.46/52,128.60
  6. Step 6: Final answer
    x = 38,992.30

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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.