Home / 38,787.68-58,178.26-15,407.84

Finding the Fourth Proportional to 38,787.68, 58,178.26 and 15,407.84

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Solution

The fourth proportional to 38,787.68, 58,178.26 and 15,407.84 is: 23,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.68 : 58,178.26 = 15,407.84 : x
  2. Step 2: Convert to fraction form
    38,787.68/58,178.26 = 15,407.84/x
  3. Step 3: Cross multiply
    38,787.68x = 58,178.26 × 15,407.84
  4. Step 4: Simplify right side
    38,787.68x = 896,401,321.56
  5. Step 5: Solve for x
    x = 896,401,321.56/38,787.68
  6. Step 6: Final answer
    x = 23,110.47

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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.