Home / 28,034.10-42,051.15-14,879.70

Finding the Fourth Proportional to 28,034.10, 42,051.15 and 14,879.70

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Solution

The fourth proportional to 28,034.10, 42,051.15 and 14,879.70 is: 22,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.10 : 42,051.15 = 14,879.70 : x
  2. Step 2: Convert to fraction form
    28,034.10/42,051.15 = 14,879.70/x
  3. Step 3: Cross multiply
    28,034.10x = 42,051.15 × 14,879.70
  4. Step 4: Simplify right side
    28,034.10x = 625,708,496.66
  5. Step 5: Solve for x
    x = 625,708,496.66/28,034.10
  6. Step 6: Final answer
    x = 22,319.55

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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.