Home / 28,488.72-39,292.02-26,578.88

Finding the Fourth Proportional to 28,488.72, 39,292.02 and 26,578.88

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Solution

The fourth proportional to 28,488.72, 39,292.02 and 26,578.88 is: 36,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.72 : 39,292.02 = 26,578.88 : x
  2. Step 2: Convert to fraction form
    28,488.72/39,292.02 = 26,578.88/x
  3. Step 3: Cross multiply
    28,488.72x = 39,292.02 × 26,578.88
  4. Step 4: Simplify right side
    28,488.72x = 1,044,337,884.54
  5. Step 5: Solve for x
    x = 1,044,337,884.54/28,488.72
  6. Step 6: Final answer
    x = 36,657.94

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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.