Home / 25,530.75-38,295.86-9,959.31

Finding the Fourth Proportional to 25,530.75, 38,295.86 and 9,959.31

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Solution

The fourth proportional to 25,530.75, 38,295.86 and 9,959.31 is: 14,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.75 : 38,295.86 = 9,959.31 : x
  2. Step 2: Convert to fraction form
    25,530.75/38,295.86 = 9,959.31/x
  3. Step 3: Cross multiply
    25,530.75x = 38,295.86 × 9,959.31
  4. Step 4: Simplify right side
    25,530.75x = 381,400,291.66
  5. Step 5: Solve for x
    x = 381,400,291.66/25,530.75
  6. Step 6: Final answer
    x = 14,938.86

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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.