Home / 52,132.80-71,943.36-28,259.40

Finding the Fourth Proportional to 52,132.80, 71,943.36 and 28,259.40

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Solution

The fourth proportional to 52,132.80, 71,943.36 and 28,259.40 is: 38,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.80 : 71,943.36 = 28,259.40 : x
  2. Step 2: Convert to fraction form
    52,132.80/71,943.36 = 28,259.40/x
  3. Step 3: Cross multiply
    52,132.80x = 71,943.36 × 28,259.40
  4. Step 4: Simplify right side
    52,132.80x = 2,033,076,187.58
  5. Step 5: Solve for x
    x = 2,033,076,187.58/52,132.80
  6. Step 6: Final answer
    x = 38,998.02

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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.