Home / 28,275.86-42,348.15-27,291.74

Finding the Fourth Proportional to 28,275.86, 42,348.15 and 27,291.74

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Solution

The fourth proportional to 28,275.86, 42,348.15 and 27,291.74 is: 40,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.86 : 42,348.15 = 27,291.74 : x
  2. Step 2: Convert to fraction form
    28,275.86/42,348.15 = 27,291.74/x
  3. Step 3: Cross multiply
    28,275.86x = 42,348.15 × 27,291.74
  4. Step 4: Simplify right side
    28,275.86x = 1,155,754,699.28
  5. Step 5: Solve for x
    x = 1,155,754,699.28/28,275.86
  6. Step 6: Final answer
    x = 40,874.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.