Home / 38,928.32-58,436.16-15,571.20

Finding the Fourth Proportional to 38,928.32, 58,436.16 and 15,571.20

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Solution

The fourth proportional to 38,928.32, 58,436.16 and 15,571.20 is: 23,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.32 : 58,436.16 = 15,571.20 : x
  2. Step 2: Convert to fraction form
    38,928.32/58,436.16 = 15,571.20/x
  3. Step 3: Cross multiply
    38,928.32x = 58,436.16 × 15,571.20
  4. Step 4: Simplify right side
    38,928.32x = 909,921,134.59
  5. Step 5: Solve for x
    x = 909,921,134.59/38,928.32
  6. Step 6: Final answer
    x = 23,374.27

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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.