Home / 52,528.40-72,487.80-28,655.54

Finding the Fourth Proportional to 52,528.40, 72,487.80 and 28,655.54

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Solution

The fourth proportional to 52,528.40, 72,487.80 and 28,655.54 is: 39,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.40 : 72,487.80 = 28,655.54 : x
  2. Step 2: Convert to fraction form
    52,528.40/72,487.80 = 28,655.54/x
  3. Step 3: Cross multiply
    52,528.40x = 72,487.80 × 28,655.54
  4. Step 4: Simplify right side
    52,528.40x = 2,077,176,689.97
  5. Step 5: Solve for x
    x = 2,077,176,689.97/52,528.40
  6. Step 6: Final answer
    x = 39,543.88

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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.