Home / 25,417.28-35,067.45-15,341.90

Finding the Fourth Proportional to 25,417.28, 35,067.45 and 15,341.90

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Solution

The fourth proportional to 25,417.28, 35,067.45 and 15,341.90 is: 21,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.28 : 35,067.45 = 15,341.90 : x
  2. Step 2: Convert to fraction form
    25,417.28/35,067.45 = 15,341.90/x
  3. Step 3: Cross multiply
    25,417.28x = 35,067.45 × 15,341.90
  4. Step 4: Simplify right side
    25,417.28x = 538,001,107.05
  5. Step 5: Solve for x
    x = 538,001,107.05/25,417.28
  6. Step 6: Final answer
    x = 21,166.74

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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.