Home / 26,380.47-39,542.63-18,058.17

Finding the Fourth Proportional to 26,380.47, 39,542.63 and 18,058.17

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Solution

The fourth proportional to 26,380.47, 39,542.63 and 18,058.17 is: 27,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.47 : 39,542.63 = 18,058.17 : x
  2. Step 2: Convert to fraction form
    26,380.47/39,542.63 = 18,058.17/x
  3. Step 3: Cross multiply
    26,380.47x = 39,542.63 × 18,058.17
  4. Step 4: Simplify right side
    26,380.47x = 714,067,444.50
  5. Step 5: Solve for x
    x = 714,067,444.50/26,380.47
  6. Step 6: Final answer
    x = 27,068.03

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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.