Home / 28,444.56-42,666.87-9,724.78

Finding the Fourth Proportional to 28,444.56, 42,666.87 and 9,724.78

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Solution

The fourth proportional to 28,444.56, 42,666.87 and 9,724.78 is: 14,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.56 : 42,666.87 = 9,724.78 : x
  2. Step 2: Convert to fraction form
    28,444.56/42,666.87 = 9,724.78/x
  3. Step 3: Cross multiply
    28,444.56x = 42,666.87 × 9,724.78
  4. Step 4: Simplify right side
    28,444.56x = 414,925,924.04
  5. Step 5: Solve for x
    x = 414,925,924.04/28,444.56
  6. Step 6: Final answer
    x = 14,587.18

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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.