Home / 40,583.28-60,872.80-14,288.20

Finding the Fourth Proportional to 40,583.28, 60,872.80 and 14,288.20

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Solution

The fourth proportional to 40,583.28, 60,872.80 and 14,288.20 is: 21,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,583.28 : 60,872.80 = 14,288.20 : x
  2. Step 2: Convert to fraction form
    40,583.28/60,872.80 = 14,288.20/x
  3. Step 3: Cross multiply
    40,583.28x = 60,872.80 × 14,288.20
  4. Step 4: Simplify right side
    40,583.28x = 869,762,740.96
  5. Step 5: Solve for x
    x = 869,762,740.96/40,583.28
  6. Step 6: Final answer
    x = 21,431.55

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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.