Home / 28,444.47-42,667.61-9,723.75

Finding the Fourth Proportional to 28,444.47, 42,667.61 and 9,723.75

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Solution

The fourth proportional to 28,444.47, 42,667.61 and 9,723.75 is: 14,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.47 : 42,667.61 = 9,723.75 : x
  2. Step 2: Convert to fraction form
    28,444.47/42,667.61 = 9,723.75/x
  3. Step 3: Cross multiply
    28,444.47x = 42,667.61 × 9,723.75
  4. Step 4: Simplify right side
    28,444.47x = 414,889,000.58
  5. Step 5: Solve for x
    x = 414,889,000.58/28,444.47
  6. Step 6: Final answer
    x = 14,585.93

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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.