Home / 28,282.08-42,417.57-26,876.91

Finding the Fourth Proportional to 28,282.08, 42,417.57 and 26,876.91

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Solution

The fourth proportional to 28,282.08, 42,417.57 and 26,876.91 is: 40,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.08 : 42,417.57 = 26,876.91 : x
  2. Step 2: Convert to fraction form
    28,282.08/42,417.57 = 26,876.91/x
  3. Step 3: Cross multiply
    28,282.08x = 42,417.57 × 26,876.91
  4. Step 4: Simplify right side
    28,282.08x = 1,140,053,211.31
  5. Step 5: Solve for x
    x = 1,140,053,211.31/28,282.08
  6. Step 6: Final answer
    x = 40,310.09

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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.