Home / 26,305.81-39,444.89-17,988.21

Finding the Fourth Proportional to 26,305.81, 39,444.89 and 17,988.21

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Solution

The fourth proportional to 26,305.81, 39,444.89 and 17,988.21 is: 26,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.81 : 39,444.89 = 17,988.21 : x
  2. Step 2: Convert to fraction form
    26,305.81/39,444.89 = 17,988.21/x
  3. Step 3: Cross multiply
    26,305.81x = 39,444.89 × 17,988.21
  4. Step 4: Simplify right side
    26,305.81x = 709,542,975.99
  5. Step 5: Solve for x
    x = 709,542,975.99/26,305.81
  6. Step 6: Final answer
    x = 26,972.86

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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.