Home / 27,299.22-40,940.11-10,655.20

Finding the Fourth Proportional to 27,299.22, 40,940.11 and 10,655.20

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Solution

The fourth proportional to 27,299.22, 40,940.11 and 10,655.20 is: 15,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.22 : 40,940.11 = 10,655.20 : x
  2. Step 2: Convert to fraction form
    27,299.22/40,940.11 = 10,655.20/x
  3. Step 3: Cross multiply
    27,299.22x = 40,940.11 × 10,655.20
  4. Step 4: Simplify right side
    27,299.22x = 436,225,060.07
  5. Step 5: Solve for x
    x = 436,225,060.07/27,299.22
  6. Step 6: Final answer
    x = 15,979.40

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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.