Home / 38,787.40-58,181.26-15,413.76

Finding the Fourth Proportional to 38,787.40, 58,181.26 and 15,413.76

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Solution

The fourth proportional to 38,787.40, 58,181.26 and 15,413.76 is: 23,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.40 : 58,181.26 = 15,413.76 : x
  2. Step 2: Convert to fraction form
    38,787.40/58,181.26 = 15,413.76/x
  3. Step 3: Cross multiply
    38,787.40x = 58,181.26 × 15,413.76
  4. Step 4: Simplify right side
    38,787.40x = 896,791,978.14
  5. Step 5: Solve for x
    x = 896,791,978.14/38,787.40
  6. Step 6: Final answer
    x = 23,120.70

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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.