Home / 26,181.90-39,272.85-15,684.30

Finding the Fourth Proportional to 26,181.90, 39,272.85 and 15,684.30

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Solution

The fourth proportional to 26,181.90, 39,272.85 and 15,684.30 is: 23,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.90 : 39,272.85 = 15,684.30 : x
  2. Step 2: Convert to fraction form
    26,181.90/39,272.85 = 15,684.30/x
  3. Step 3: Cross multiply
    26,181.90x = 39,272.85 × 15,684.30
  4. Step 4: Simplify right side
    26,181.90x = 615,967,161.26
  5. Step 5: Solve for x
    x = 615,967,161.26/26,181.90
  6. Step 6: Final answer
    x = 23,526.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.