Home / 26,290.02-39,419.85-17,980.11

Finding the Fourth Proportional to 26,290.02, 39,419.85 and 17,980.11

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Solution

The fourth proportional to 26,290.02, 39,419.85 and 17,980.11 is: 26,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.02 : 39,419.85 = 17,980.11 : x
  2. Step 2: Convert to fraction form
    26,290.02/39,419.85 = 17,980.11/x
  3. Step 3: Cross multiply
    26,290.02x = 39,419.85 × 17,980.11
  4. Step 4: Simplify right side
    26,290.02x = 708,773,239.18
  5. Step 5: Solve for x
    x = 708,773,239.18/26,290.02
  6. Step 6: Final answer
    x = 26,959.78

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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.