Home / 26,684.12-36,805.02-20,385.56

Finding the Fourth Proportional to 26,684.12, 36,805.02 and 20,385.56

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Solution

The fourth proportional to 26,684.12, 36,805.02 and 20,385.56 is: 28,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,684.12 : 36,805.02 = 20,385.56 : x
  2. Step 2: Convert to fraction form
    26,684.12/36,805.02 = 20,385.56/x
  3. Step 3: Cross multiply
    26,684.12x = 36,805.02 × 20,385.56
  4. Step 4: Simplify right side
    26,684.12x = 750,290,943.51
  5. Step 5: Solve for x
    x = 750,290,943.51/26,684.12
  6. Step 6: Final answer
    x = 28,117.51

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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.