Home / 25,370.19-35,028.09-15,813.90

Finding the Fourth Proportional to 25,370.19, 35,028.09 and 15,813.90

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Solution

The fourth proportional to 25,370.19, 35,028.09 and 15,813.90 is: 21,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.19 : 35,028.09 = 15,813.90 : x
  2. Step 2: Convert to fraction form
    25,370.19/35,028.09 = 15,813.90/x
  3. Step 3: Cross multiply
    25,370.19x = 35,028.09 × 15,813.90
  4. Step 4: Simplify right side
    25,370.19x = 553,930,712.45
  5. Step 5: Solve for x
    x = 553,930,712.45/25,370.19
  6. Step 6: Final answer
    x = 21,833.92

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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.