Home / 26,956.42-40,374.45-20,670.13

Finding the Fourth Proportional to 26,956.42, 40,374.45 and 20,670.13

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Solution

The fourth proportional to 26,956.42, 40,374.45 and 20,670.13 is: 30,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,956.42 : 40,374.45 = 20,670.13 : x
  2. Step 2: Convert to fraction form
    26,956.42/40,374.45 = 20,670.13/x
  3. Step 3: Cross multiply
    26,956.42x = 40,374.45 × 20,670.13
  4. Step 4: Simplify right side
    26,956.42x = 834,545,130.18
  5. Step 5: Solve for x
    x = 834,545,130.18/26,956.42
  6. Step 6: Final answer
    x = 30,959.05

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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.