Home / 28,722.61-43,085.28-9,001.34

Finding the Fourth Proportional to 28,722.61, 43,085.28 and 9,001.34

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Solution

The fourth proportional to 28,722.61, 43,085.28 and 9,001.34 is: 13,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.61 : 43,085.28 = 9,001.34 : x
  2. Step 2: Convert to fraction form
    28,722.61/43,085.28 = 9,001.34/x
  3. Step 3: Cross multiply
    28,722.61x = 43,085.28 × 9,001.34
  4. Step 4: Simplify right side
    28,722.61x = 387,825,113.00
  5. Step 5: Solve for x
    x = 387,825,113.00/28,722.61
  6. Step 6: Final answer
    x = 13,502.43

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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.