Home / 25,171.85-34,729.45-16,555.58

Finding the Fourth Proportional to 25,171.85, 34,729.45 and 16,555.58

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Solution

The fourth proportional to 25,171.85, 34,729.45 and 16,555.58 is: 22,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.85 : 34,729.45 = 16,555.58 : x
  2. Step 2: Convert to fraction form
    25,171.85/34,729.45 = 16,555.58/x
  3. Step 3: Cross multiply
    25,171.85x = 34,729.45 × 16,555.58
  4. Step 4: Simplify right side
    25,171.85x = 574,966,014.18
  5. Step 5: Solve for x
    x = 574,966,014.18/25,171.85
  6. Step 6: Final answer
    x = 22,841.63

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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.