Home / 52,448.28-72,379.02-28,575.60

Finding the Fourth Proportional to 52,448.28, 72,379.02 and 28,575.60

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Solution

The fourth proportional to 52,448.28, 72,379.02 and 28,575.60 is: 39,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.28 : 72,379.02 = 28,575.60 : x
  2. Step 2: Convert to fraction form
    52,448.28/72,379.02 = 28,575.60/x
  3. Step 3: Cross multiply
    52,448.28x = 72,379.02 × 28,575.60
  4. Step 4: Simplify right side
    52,448.28x = 2,068,273,923.91
  5. Step 5: Solve for x
    x = 2,068,273,923.91/52,448.28
  6. Step 6: Final answer
    x = 39,434.54

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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.