Home / 28,445.28-42,674.40-10,923.36

Finding the Fourth Proportional to 28,445.28, 42,674.40 and 10,923.36

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Solution

The fourth proportional to 28,445.28, 42,674.40 and 10,923.36 is: 16,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.28 : 42,674.40 = 10,923.36 : x
  2. Step 2: Convert to fraction form
    28,445.28/42,674.40 = 10,923.36/x
  3. Step 3: Cross multiply
    28,445.28x = 42,674.40 × 10,923.36
  4. Step 4: Simplify right side
    28,445.28x = 466,147,833.98
  5. Step 5: Solve for x
    x = 466,147,833.98/28,445.28
  6. Step 6: Final answer
    x = 16,387.53

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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.