Home / 26,182.12-39,290.46-13,878.76

Finding the Fourth Proportional to 26,182.12, 39,290.46 and 13,878.76

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Solution

The fourth proportional to 26,182.12, 39,290.46 and 13,878.76 is: 20,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,182.12 : 39,290.46 = 13,878.76 : x
  2. Step 2: Convert to fraction form
    26,182.12/39,290.46 = 13,878.76/x
  3. Step 3: Cross multiply
    26,182.12x = 39,290.46 × 13,878.76
  4. Step 4: Simplify right side
    26,182.12x = 545,302,864.63
  5. Step 5: Solve for x
    x = 545,302,864.63/26,182.12
  6. Step 6: Final answer
    x = 20,827.30

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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.