Home / 28,246.83-42,370.50-7,186.90

Finding the Fourth Proportional to 28,246.83, 42,370.50 and 7,186.90

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Solution

The fourth proportional to 28,246.83, 42,370.50 and 7,186.90 is: 10,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.83 : 42,370.50 = 7,186.90 : x
  2. Step 2: Convert to fraction form
    28,246.83/42,370.50 = 7,186.90/x
  3. Step 3: Cross multiply
    28,246.83x = 42,370.50 × 7,186.90
  4. Step 4: Simplify right side
    28,246.83x = 304,512,298.66
  5. Step 5: Solve for x
    x = 304,512,298.66/28,246.83
  6. Step 6: Final answer
    x = 10,780.41

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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.