Home / 23,591.40-32,533.84-15,510.78

Finding the Fourth Proportional to 23,591.40, 32,533.84 and 15,510.78

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Solution

The fourth proportional to 23,591.40, 32,533.84 and 15,510.78 is: 21,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,591.40 : 32,533.84 = 15,510.78 : x
  2. Step 2: Convert to fraction form
    23,591.40/32,533.84 = 15,510.78/x
  3. Step 3: Cross multiply
    23,591.40x = 32,533.84 × 15,510.78
  4. Step 4: Simplify right side
    23,591.40x = 504,625,234.80
  5. Step 5: Solve for x
    x = 504,625,234.80/23,591.40
  6. Step 6: Final answer
    x = 21,390.22

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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.