Home / 28,947.15-43,417.08-9,227.70

Finding the Fourth Proportional to 28,947.15, 43,417.08 and 9,227.70

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Solution

The fourth proportional to 28,947.15, 43,417.08 and 9,227.70 is: 13,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.15 : 43,417.08 = 9,227.70 : x
  2. Step 2: Convert to fraction form
    28,947.15/43,417.08 = 9,227.70/x
  3. Step 3: Cross multiply
    28,947.15x = 43,417.08 × 9,227.70
  4. Step 4: Simplify right side
    28,947.15x = 400,639,789.12
  5. Step 5: Solve for x
    x = 400,639,789.12/28,947.15
  6. Step 6: Final answer
    x = 13,840.39

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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.