Home / 26,719.74-40,079.21-9,189.72

Finding the Fourth Proportional to 26,719.74, 40,079.21 and 9,189.72

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Solution

The fourth proportional to 26,719.74, 40,079.21 and 9,189.72 is: 13,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.74 : 40,079.21 = 9,189.72 : x
  2. Step 2: Convert to fraction form
    26,719.74/40,079.21 = 9,189.72/x
  3. Step 3: Cross multiply
    26,719.74x = 40,079.21 × 9,189.72
  4. Step 4: Simplify right side
    26,719.74x = 368,316,671.77
  5. Step 5: Solve for x
    x = 368,316,671.77/26,719.74
  6. Step 6: Final answer
    x = 13,784.44

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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.