Home / 25,765.74-38,642.40-10,764.76

Finding the Fourth Proportional to 25,765.74, 38,642.40 and 10,764.76

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Solution

The fourth proportional to 25,765.74, 38,642.40 and 10,764.76 is: 16,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.74 : 38,642.40 = 10,764.76 : x
  2. Step 2: Convert to fraction form
    25,765.74/38,642.40 = 10,764.76/x
  3. Step 3: Cross multiply
    25,765.74x = 38,642.40 × 10,764.76
  4. Step 4: Simplify right side
    25,765.74x = 415,976,161.82
  5. Step 5: Solve for x
    x = 415,976,161.82/25,765.74
  6. Step 6: Final answer
    x = 16,144.55

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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.