Home / 28,878.41-39,854.88-17,545.29

Finding the Fourth Proportional to 28,878.41, 39,854.88 and 17,545.29

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Solution

The fourth proportional to 28,878.41, 39,854.88 and 17,545.29 is: 24,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.41 : 39,854.88 = 17,545.29 : x
  2. Step 2: Convert to fraction form
    28,878.41/39,854.88 = 17,545.29/x
  3. Step 3: Cross multiply
    28,878.41x = 39,854.88 × 17,545.29
  4. Step 4: Simplify right side
    28,878.41x = 699,265,427.52
  5. Step 5: Solve for x
    x = 699,265,427.52/28,878.41
  6. Step 6: Final answer
    x = 24,214.13

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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.