Home / 22,695.25-31,319.45-12,759.25

Finding the Fourth Proportional to 22,695.25, 31,319.45 and 12,759.25

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Solution

The fourth proportional to 22,695.25, 31,319.45 and 12,759.25 is: 17,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.25 : 31,319.45 = 12,759.25 : x
  2. Step 2: Convert to fraction form
    22,695.25/31,319.45 = 12,759.25/x
  3. Step 3: Cross multiply
    22,695.25x = 31,319.45 × 12,759.25
  4. Step 4: Simplify right side
    22,695.25x = 399,612,628.62
  5. Step 5: Solve for x
    x = 399,612,628.62/22,695.25
  6. Step 6: Final answer
    x = 17,607.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.