Home / 26,580.13-39,864.72-11,779.62

Finding the Fourth Proportional to 26,580.13, 39,864.72 and 11,779.62

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Solution

The fourth proportional to 26,580.13, 39,864.72 and 11,779.62 is: 17,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.13 : 39,864.72 = 11,779.62 : x
  2. Step 2: Convert to fraction form
    26,580.13/39,864.72 = 11,779.62/x
  3. Step 3: Cross multiply
    26,580.13x = 39,864.72 × 11,779.62
  4. Step 4: Simplify right side
    26,580.13x = 469,591,253.01
  5. Step 5: Solve for x
    x = 469,591,253.01/26,580.13
  6. Step 6: Final answer
    x = 17,667.00

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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.