Home / 25,765.29-35,535.11-21,799.53

Finding the Fourth Proportional to 25,765.29, 35,535.11 and 21,799.53

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Solution

The fourth proportional to 25,765.29, 35,535.11 and 21,799.53 is: 30,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.29 : 35,535.11 = 21,799.53 : x
  2. Step 2: Convert to fraction form
    25,765.29/35,535.11 = 21,799.53/x
  3. Step 3: Cross multiply
    25,765.29x = 35,535.11 × 21,799.53
  4. Step 4: Simplify right side
    25,765.29x = 774,648,587.50
  5. Step 5: Solve for x
    x = 774,648,587.50/25,765.29
  6. Step 6: Final answer
    x = 30,065.59

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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.