Home / 28,670.46-43,002.99-9,947.58

Finding the Fourth Proportional to 28,670.46, 43,002.99 and 9,947.58

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Solution

The fourth proportional to 28,670.46, 43,002.99 and 9,947.58 is: 14,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.46 : 43,002.99 = 9,947.58 : x
  2. Step 2: Convert to fraction form
    28,670.46/43,002.99 = 9,947.58/x
  3. Step 3: Cross multiply
    28,670.46x = 43,002.99 × 9,947.58
  4. Step 4: Simplify right side
    28,670.46x = 427,775,683.26
  5. Step 5: Solve for x
    x = 427,775,683.26/28,670.46
  6. Step 6: Final answer
    x = 14,920.43

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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.