Home / 28,997.74-40,008.66-17,667.55

Finding the Fourth Proportional to 28,997.74, 40,008.66 and 17,667.55

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Solution

The fourth proportional to 28,997.74, 40,008.66 and 17,667.55 is: 24,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.74 : 40,008.66 = 17,667.55 : x
  2. Step 2: Convert to fraction form
    28,997.74/40,008.66 = 17,667.55/x
  3. Step 3: Cross multiply
    28,997.74x = 40,008.66 × 17,667.55
  4. Step 4: Simplify right side
    28,997.74x = 706,855,000.98
  5. Step 5: Solve for x
    x = 706,855,000.98/28,997.74
  6. Step 6: Final answer
    x = 24,376.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.