Home / 28,042.83-42,058.30-10,513.95

Finding the Fourth Proportional to 28,042.83, 42,058.30 and 10,513.95

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Solution

The fourth proportional to 28,042.83, 42,058.30 and 10,513.95 is: 15,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.83 : 42,058.30 = 10,513.95 : x
  2. Step 2: Convert to fraction form
    28,042.83/42,058.30 = 10,513.95/x
  3. Step 3: Cross multiply
    28,042.83x = 42,058.30 × 10,513.95
  4. Step 4: Simplify right side
    28,042.83x = 442,198,863.29
  5. Step 5: Solve for x
    x = 442,198,863.29/28,042.83
  6. Step 6: Final answer
    x = 15,768.70

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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.