Home / 26,178.12-39,263.28-8,648.04

Finding the Fourth Proportional to 26,178.12, 39,263.28 and 8,648.04

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Solution

The fourth proportional to 26,178.12, 39,263.28 and 8,648.04 is: 12,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.12 : 39,263.28 = 8,648.04 : x
  2. Step 2: Convert to fraction form
    26,178.12/39,263.28 = 8,648.04/x
  3. Step 3: Cross multiply
    26,178.12x = 39,263.28 × 8,648.04
  4. Step 4: Simplify right side
    26,178.12x = 339,550,415.97
  5. Step 5: Solve for x
    x = 339,550,415.97/26,178.12
  6. Step 6: Final answer
    x = 12,970.77

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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.