Home / 28,498.58-39,117.36-27,280.70

Finding the Fourth Proportional to 28,498.58, 39,117.36 and 27,280.70

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Solution

The fourth proportional to 28,498.58, 39,117.36 and 27,280.70 is: 37,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.58 : 39,117.36 = 27,280.70 : x
  2. Step 2: Convert to fraction form
    28,498.58/39,117.36 = 27,280.70/x
  3. Step 3: Cross multiply
    28,498.58x = 39,117.36 × 27,280.70
  4. Step 4: Simplify right side
    28,498.58x = 1,067,148,962.95
  5. Step 5: Solve for x
    x = 1,067,148,962.95/28,498.58
  6. Step 6: Final answer
    x = 37,445.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.