Home / 27,278.22-40,955.64-13,960.74

Finding the Fourth Proportional to 27,278.22, 40,955.64 and 13,960.74

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Solution

The fourth proportional to 27,278.22, 40,955.64 and 13,960.74 is: 20,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.22 : 40,955.64 = 13,960.74 : x
  2. Step 2: Convert to fraction form
    27,278.22/40,955.64 = 13,960.74/x
  3. Step 3: Cross multiply
    27,278.22x = 40,955.64 × 13,960.74
  4. Step 4: Simplify right side
    27,278.22x = 571,771,041.57
  5. Step 5: Solve for x
    x = 571,771,041.57/27,278.22
  6. Step 6: Final answer
    x = 20,960.72

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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.