Home / 28,769.88-43,156.68-9,049.32

Finding the Fourth Proportional to 28,769.88, 43,156.68 and 9,049.32

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Solution

The fourth proportional to 28,769.88, 43,156.68 and 9,049.32 is: 13,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.88 : 43,156.68 = 9,049.32 : x
  2. Step 2: Convert to fraction form
    28,769.88/43,156.68 = 9,049.32/x
  3. Step 3: Cross multiply
    28,769.88x = 43,156.68 × 9,049.32
  4. Step 4: Simplify right side
    28,769.88x = 390,538,607.46
  5. Step 5: Solve for x
    x = 390,538,607.46/28,769.88
  6. Step 6: Final answer
    x = 13,574.57

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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.