Home / 26,972.42-40,430.54-15,108.80

Finding the Fourth Proportional to 26,972.42, 40,430.54 and 15,108.80

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Solution

The fourth proportional to 26,972.42, 40,430.54 and 15,108.80 is: 22,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.42 : 40,430.54 = 15,108.80 : x
  2. Step 2: Convert to fraction form
    26,972.42/40,430.54 = 15,108.80/x
  3. Step 3: Cross multiply
    26,972.42x = 40,430.54 × 15,108.80
  4. Step 4: Simplify right side
    26,972.42x = 610,856,740.60
  5. Step 5: Solve for x
    x = 610,856,740.60/26,972.42
  6. Step 6: Final answer
    x = 22,647.46

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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.