Home / 28,236.93-42,359.42-9,257.50

Finding the Fourth Proportional to 28,236.93, 42,359.42 and 9,257.50

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Solution

The fourth proportional to 28,236.93, 42,359.42 and 9,257.50 is: 13,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.93 : 42,359.42 = 9,257.50 : x
  2. Step 2: Convert to fraction form
    28,236.93/42,359.42 = 9,257.50/x
  3. Step 3: Cross multiply
    28,236.93x = 42,359.42 × 9,257.50
  4. Step 4: Simplify right side
    28,236.93x = 392,142,330.65
  5. Step 5: Solve for x
    x = 392,142,330.65/28,236.93
  6. Step 6: Final answer
    x = 13,887.57

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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.