Home / 26,487.19-39,684.08-13,979.66

Finding the Fourth Proportional to 26,487.19, 39,684.08 and 13,979.66

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Solution

The fourth proportional to 26,487.19, 39,684.08 and 13,979.66 is: 20,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.19 : 39,684.08 = 13,979.66 : x
  2. Step 2: Convert to fraction form
    26,487.19/39,684.08 = 13,979.66/x
  3. Step 3: Cross multiply
    26,487.19x = 39,684.08 × 13,979.66
  4. Step 4: Simplify right side
    26,487.19x = 554,769,875.88
  5. Step 5: Solve for x
    x = 554,769,875.88/26,487.19
  6. Step 6: Final answer
    x = 20,944.84

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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.