Home / 52,739.52-72,780.71-28,867.74

Finding the Fourth Proportional to 52,739.52, 72,780.71 and 28,867.74

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Solution

The fourth proportional to 52,739.52, 72,780.71 and 28,867.74 is: 39,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.52 : 72,780.71 = 28,867.74 : x
  2. Step 2: Convert to fraction form
    52,739.52/72,780.71 = 28,867.74/x
  3. Step 3: Cross multiply
    52,739.52x = 72,780.71 × 28,867.74
  4. Step 4: Simplify right side
    52,739.52x = 2,101,014,468.96
  5. Step 5: Solve for x
    x = 2,101,014,468.96/52,739.52
  6. Step 6: Final answer
    x = 39,837.57

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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.