Home / 28,631.60-42,895.92-26,943.48

Finding the Fourth Proportional to 28,631.60, 42,895.92 and 26,943.48

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Solution

The fourth proportional to 28,631.60, 42,895.92 and 26,943.48 is: 40,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.60 : 42,895.92 = 26,943.48 : x
  2. Step 2: Convert to fraction form
    28,631.60/42,895.92 = 26,943.48/x
  3. Step 3: Cross multiply
    28,631.60x = 42,895.92 × 26,943.48
  4. Step 4: Simplify right side
    28,631.60x = 1,155,765,362.60
  5. Step 5: Solve for x
    x = 1,155,765,362.60/28,631.60
  6. Step 6: Final answer
    x = 40,366.78

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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.