Home / 52,271.25-72,134.40-28,397.94

Finding the Fourth Proportional to 52,271.25, 72,134.40 and 28,397.94

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Solution

The fourth proportional to 52,271.25, 72,134.40 and 28,397.94 is: 39,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.25 : 72,134.40 = 28,397.94 : x
  2. Step 2: Convert to fraction form
    52,271.25/72,134.40 = 28,397.94/x
  3. Step 3: Cross multiply
    52,271.25x = 72,134.40 × 28,397.94
  4. Step 4: Simplify right side
    52,271.25x = 2,048,468,363.14
  5. Step 5: Solve for x
    x = 2,048,468,363.14/52,271.25
  6. Step 6: Final answer
    x = 39,189.20

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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.