Home / 25,943.32-35,801.82-15,338.20

Finding the Fourth Proportional to 25,943.32, 35,801.82 and 15,338.20

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Solution

The fourth proportional to 25,943.32, 35,801.82 and 15,338.20 is: 21,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.32 : 35,801.82 = 15,338.20 : x
  2. Step 2: Convert to fraction form
    25,943.32/35,801.82 = 15,338.20/x
  3. Step 3: Cross multiply
    25,943.32x = 35,801.82 × 15,338.20
  4. Step 4: Simplify right side
    25,943.32x = 549,135,475.52
  5. Step 5: Solve for x
    x = 549,135,475.52/25,943.32
  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.