Home / 25,278.23-34,883.46-13,948.81

Finding the Fourth Proportional to 25,278.23, 34,883.46 and 13,948.81

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Solution

The fourth proportional to 25,278.23, 34,883.46 and 13,948.81 is: 19,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.23 : 34,883.46 = 13,948.81 : x
  2. Step 2: Convert to fraction form
    25,278.23/34,883.46 = 13,948.81/x
  3. Step 3: Cross multiply
    25,278.23x = 34,883.46 × 13,948.81
  4. Step 4: Simplify right side
    25,278.23x = 486,582,668.47
  5. Step 5: Solve for x
    x = 486,582,668.47/25,278.23
  6. Step 6: Final answer
    x = 19,249.08

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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.