Home / 28,587.10-39,443.76-17,258.44

Finding the Fourth Proportional to 28,587.10, 39,443.76 and 17,258.44

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Solution

The fourth proportional to 28,587.10, 39,443.76 and 17,258.44 is: 23,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.10 : 39,443.76 = 17,258.44 : x
  2. Step 2: Convert to fraction form
    28,587.10/39,443.76 = 17,258.44/x
  3. Step 3: Cross multiply
    28,587.10x = 39,443.76 × 17,258.44
  4. Step 4: Simplify right side
    28,587.10x = 680,737,765.33
  5. Step 5: Solve for x
    x = 680,737,765.33/28,587.10
  6. Step 6: Final answer
    x = 23,812.76

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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.