Home / 28,318.74-42,483.46-9,344.46

Finding the Fourth Proportional to 28,318.74, 42,483.46 and 9,344.46

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Solution

The fourth proportional to 28,318.74, 42,483.46 and 9,344.46 is: 14,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.74 : 42,483.46 = 9,344.46 : x
  2. Step 2: Convert to fraction form
    28,318.74/42,483.46 = 9,344.46/x
  3. Step 3: Cross multiply
    28,318.74x = 42,483.46 × 9,344.46
  4. Step 4: Simplify right side
    28,318.74x = 396,984,992.63
  5. Step 5: Solve for x
    x = 396,984,992.63/28,318.74
  6. Step 6: Final answer
    x = 14,018.46

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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.