Home / 25,923.75-38,894.75-12,785.36

Finding the Fourth Proportional to 25,923.75, 38,894.75 and 12,785.36

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Solution

The fourth proportional to 25,923.75, 38,894.75 and 12,785.36 is: 19,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.75 : 38,894.75 = 12,785.36 : x
  2. Step 2: Convert to fraction form
    25,923.75/38,894.75 = 12,785.36/x
  3. Step 3: Cross multiply
    25,923.75x = 38,894.75 × 12,785.36
  4. Step 4: Simplify right side
    25,923.75x = 497,283,122.46
  5. Step 5: Solve for x
    x = 497,283,122.46/25,923.75
  6. Step 6: Final answer
    x = 19,182.53

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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.