Home / 27,215.19-40,799.70-12,418.92

Finding the Fourth Proportional to 27,215.19, 40,799.70 and 12,418.92

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Solution

The fourth proportional to 27,215.19, 40,799.70 and 12,418.92 is: 18,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.19 : 40,799.70 = 12,418.92 : x
  2. Step 2: Convert to fraction form
    27,215.19/40,799.70 = 12,418.92/x
  3. Step 3: Cross multiply
    27,215.19x = 40,799.70 × 12,418.92
  4. Step 4: Simplify right side
    27,215.19x = 506,688,210.32
  5. Step 5: Solve for x
    x = 506,688,210.32/27,215.19
  6. Step 6: Final answer
    x = 18,617.85

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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.