Home / 28,407.31-42,610.96-10,877.14

Finding the Fourth Proportional to 28,407.31, 42,610.96 and 10,877.14

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Solution

The fourth proportional to 28,407.31, 42,610.96 and 10,877.14 is: 16,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.31 : 42,610.96 = 10,877.14 : x
  2. Step 2: Convert to fraction form
    28,407.31/42,610.96 = 10,877.14/x
  3. Step 3: Cross multiply
    28,407.31x = 42,610.96 × 10,877.14
  4. Step 4: Simplify right side
    28,407.31x = 463,485,143.44
  5. Step 5: Solve for x
    x = 463,485,143.44/28,407.31
  6. Step 6: Final answer
    x = 16,315.70

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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.