Home / 28,446.42-42,637.84-10,659.97

Finding the Fourth Proportional to 28,446.42, 42,637.84 and 10,659.97

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Solution

The fourth proportional to 28,446.42, 42,637.84 and 10,659.97 is: 15,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.42 : 42,637.84 = 10,659.97 : x
  2. Step 2: Convert to fraction form
    28,446.42/42,637.84 = 10,659.97/x
  3. Step 3: Cross multiply
    28,446.42x = 42,637.84 × 10,659.97
  4. Step 4: Simplify right side
    28,446.42x = 454,517,828.78
  5. Step 5: Solve for x
    x = 454,517,828.78/28,446.42
  6. Step 6: Final answer
    x = 15,978.03

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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.