Home / 28,229.77-38,868.42-23,971.87

Finding the Fourth Proportional to 28,229.77, 38,868.42 and 23,971.87

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Solution

The fourth proportional to 28,229.77, 38,868.42 and 23,971.87 is: 33,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.77 : 38,868.42 = 23,971.87 : x
  2. Step 2: Convert to fraction form
    28,229.77/38,868.42 = 23,971.87/x
  3. Step 3: Cross multiply
    28,229.77x = 38,868.42 × 23,971.87
  4. Step 4: Simplify right side
    28,229.77x = 931,748,711.35
  5. Step 5: Solve for x
    x = 931,748,711.35/28,229.77
  6. Step 6: Final answer
    x = 33,005.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.