Home / 28,444.67-42,667.61-8,722.79

Finding the Fourth Proportional to 28,444.67, 42,667.61 and 8,722.79

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Solution

The fourth proportional to 28,444.67, 42,667.61 and 8,722.79 is: 13,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.67 : 42,667.61 = 8,722.79 : x
  2. Step 2: Convert to fraction form
    28,444.67/42,667.61 = 8,722.79/x
  3. Step 3: Cross multiply
    28,444.67x = 42,667.61 × 8,722.79
  4. Step 4: Simplify right side
    28,444.67x = 372,180,601.83
  5. Step 5: Solve for x
    x = 372,180,601.83/28,444.67
  6. Step 6: Final answer
    x = 13,084.37

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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.