Home / 28,193.28-42,295.04-12,610.56

Finding the Fourth Proportional to 28,193.28, 42,295.04 and 12,610.56

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Solution

The fourth proportional to 28,193.28, 42,295.04 and 12,610.56 is: 18,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.28 : 42,295.04 = 12,610.56 : x
  2. Step 2: Convert to fraction form
    28,193.28/42,295.04 = 12,610.56/x
  3. Step 3: Cross multiply
    28,193.28x = 42,295.04 × 12,610.56
  4. Step 4: Simplify right side
    28,193.28x = 533,364,139.62
  5. Step 5: Solve for x
    x = 533,364,139.62/28,193.28
  6. Step 6: Final answer
    x = 18,918.13

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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.