Home / 25,695.36-38,488.40-12,348.75

Finding the Fourth Proportional to 25,695.36, 38,488.40 and 12,348.75

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Solution

The fourth proportional to 25,695.36, 38,488.40 and 12,348.75 is: 18,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.36 : 38,488.40 = 12,348.75 : x
  2. Step 2: Convert to fraction form
    25,695.36/38,488.40 = 12,348.75/x
  3. Step 3: Cross multiply
    25,695.36x = 38,488.40 × 12,348.75
  4. Step 4: Simplify right side
    25,695.36x = 475,283,758.40
  5. Step 5: Solve for x
    x = 475,283,758.40/25,695.36
  6. Step 6: Final answer
    x = 18,496.87

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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.