Home / 28,782.54-43,170.03-9,061.20

Finding the Fourth Proportional to 28,782.54, 43,170.03 and 9,061.20

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Solution

The fourth proportional to 28,782.54, 43,170.03 and 9,061.20 is: 13,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.54 : 43,170.03 = 9,061.20 : x
  2. Step 2: Convert to fraction form
    28,782.54/43,170.03 = 9,061.20/x
  3. Step 3: Cross multiply
    28,782.54x = 43,170.03 × 9,061.20
  4. Step 4: Simplify right side
    28,782.54x = 391,172,275.84
  5. Step 5: Solve for x
    x = 391,172,275.84/28,782.54
  6. Step 6: Final answer
    x = 13,590.61

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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.