Home / 26,112.81-39,182.72-12,964.89

Finding the Fourth Proportional to 26,112.81, 39,182.72 and 12,964.89

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Solution

The fourth proportional to 26,112.81, 39,182.72 and 12,964.89 is: 19,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.81 : 39,182.72 = 12,964.89 : x
  2. Step 2: Convert to fraction form
    26,112.81/39,182.72 = 12,964.89/x
  3. Step 3: Cross multiply
    26,112.81x = 39,182.72 × 12,964.89
  4. Step 4: Simplify right side
    26,112.81x = 507,999,654.70
  5. Step 5: Solve for x
    x = 507,999,654.70/26,112.81
  6. Step 6: Final answer
    x = 19,454.04

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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.