Home / 19,278.16-28,904.46-10,962.10

Finding the Fourth Proportional to 19,278.16, 28,904.46 and 10,962.10

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Solution

The fourth proportional to 19,278.16, 28,904.46 and 10,962.10 is: 16,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.16 : 28,904.46 = 10,962.10 : x
  2. Step 2: Convert to fraction form
    19,278.16/28,904.46 = 10,962.10/x
  3. Step 3: Cross multiply
    19,278.16x = 28,904.46 × 10,962.10
  4. Step 4: Simplify right side
    19,278.16x = 316,853,580.97
  5. Step 5: Solve for x
    x = 316,853,580.97/19,278.16
  6. Step 6: Final answer
    x = 16,435.88

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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.