Home / 25,235.83-34,839.44-15,166.72

Finding the Fourth Proportional to 25,235.83, 34,839.44 and 15,166.72

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Solution

The fourth proportional to 25,235.83, 34,839.44 and 15,166.72 is: 20,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.83 : 34,839.44 = 15,166.72 : x
  2. Step 2: Convert to fraction form
    25,235.83/34,839.44 = 15,166.72/x
  3. Step 3: Cross multiply
    25,235.83x = 34,839.44 × 15,166.72
  4. Step 4: Simplify right side
    25,235.83x = 528,400,031.44
  5. Step 5: Solve for x
    x = 528,400,031.44/25,235.83
  6. Step 6: Final answer
    x = 20,938.48

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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.