Home / 25,841.59-35,665.30-15,775.90

Finding the Fourth Proportional to 25,841.59, 35,665.30 and 15,775.90

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Solution

The fourth proportional to 25,841.59, 35,665.30 and 15,775.90 is: 21,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.59 : 35,665.30 = 15,775.90 : x
  2. Step 2: Convert to fraction form
    25,841.59/35,665.30 = 15,775.90/x
  3. Step 3: Cross multiply
    25,841.59x = 35,665.30 × 15,775.90
  4. Step 4: Simplify right side
    25,841.59x = 562,652,166.83
  5. Step 5: Solve for x
    x = 562,652,166.83/25,841.59
  6. Step 6: Final answer
    x = 21,773.12

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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.