Home / 25,646.79-38,505.55-17,729.85

Finding the Fourth Proportional to 25,646.79, 38,505.55 and 17,729.85

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Solution

The fourth proportional to 25,646.79, 38,505.55 and 17,729.85 is: 26,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.79 : 38,505.55 = 17,729.85 : x
  2. Step 2: Convert to fraction form
    25,646.79/38,505.55 = 17,729.85/x
  3. Step 3: Cross multiply
    25,646.79x = 38,505.55 × 17,729.85
  4. Step 4: Simplify right side
    25,646.79x = 682,697,646.40
  5. Step 5: Solve for x
    x = 682,697,646.40/25,646.79
  6. Step 6: Final answer
    x = 26,619.22

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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.