Home / 26,756.34-40,134.90-12,717.80

Finding the Fourth Proportional to 26,756.34, 40,134.90 and 12,717.80

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Solution

The fourth proportional to 26,756.34, 40,134.90 and 12,717.80 is: 19,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.34 : 40,134.90 = 12,717.80 : x
  2. Step 2: Convert to fraction form
    26,756.34/40,134.90 = 12,717.80/x
  3. Step 3: Cross multiply
    26,756.34x = 40,134.90 × 12,717.80
  4. Step 4: Simplify right side
    26,756.34x = 510,427,430.55
  5. Step 5: Solve for x
    x = 510,427,430.55/26,756.34
  6. Step 6: Final answer
    x = 19,076.88

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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.