Home / 26,228.84-36,210.47-20,084.90

Finding the Fourth Proportional to 26,228.84, 36,210.47 and 20,084.90

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Solution

The fourth proportional to 26,228.84, 36,210.47 and 20,084.90 is: 27,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.84 : 36,210.47 = 20,084.90 : x
  2. Step 2: Convert to fraction form
    26,228.84/36,210.47 = 20,084.90/x
  3. Step 3: Cross multiply
    26,228.84x = 36,210.47 × 20,084.90
  4. Step 4: Simplify right side
    26,228.84x = 727,283,387.43
  5. Step 5: Solve for x
    x = 727,283,387.43/26,228.84
  6. Step 6: Final answer
    x = 27,728.39

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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.