Home / 27,225.56-40,826.64-12,443.78

Finding the Fourth Proportional to 27,225.56, 40,826.64 and 12,443.78

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Solution

The fourth proportional to 27,225.56, 40,826.64 and 12,443.78 is: 18,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.56 : 40,826.64 = 12,443.78 : x
  2. Step 2: Convert to fraction form
    27,225.56/40,826.64 = 12,443.78/x
  3. Step 3: Cross multiply
    27,225.56x = 40,826.64 × 12,443.78
  4. Step 4: Simplify right side
    27,225.56x = 508,037,726.30
  5. Step 5: Solve for x
    x = 508,037,726.30/27,225.56
  6. Step 6: Final answer
    x = 18,660.32

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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.