Home / 25,716.78-38,535.48-17,364.06

Finding the Fourth Proportional to 25,716.78, 38,535.48 and 17,364.06

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Solution

The fourth proportional to 25,716.78, 38,535.48 and 17,364.06 is: 26,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.78 : 38,535.48 = 17,364.06 : x
  2. Step 2: Convert to fraction form
    25,716.78/38,535.48 = 17,364.06/x
  3. Step 3: Cross multiply
    25,716.78x = 38,535.48 × 17,364.06
  4. Step 4: Simplify right side
    25,716.78x = 669,132,386.85
  5. Step 5: Solve for x
    x = 669,132,386.85/25,716.78
  6. Step 6: Final answer
    x = 26,019.29

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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.