Home / 27,124.32-40,705.92-12,341.28

Finding the Fourth Proportional to 27,124.32, 40,705.92 and 12,341.28

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Solution

The fourth proportional to 27,124.32, 40,705.92 and 12,341.28 is: 18,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.32 : 40,705.92 = 12,341.28 : x
  2. Step 2: Convert to fraction form
    27,124.32/40,705.92 = 12,341.28/x
  3. Step 3: Cross multiply
    27,124.32x = 40,705.92 × 12,341.28
  4. Step 4: Simplify right side
    27,124.32x = 502,363,156.38
  5. Step 5: Solve for x
    x = 502,363,156.38/27,124.32
  6. Step 6: Final answer
    x = 18,520.76

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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.