Home / 42,863.63-59,138.13-27,767.86

Finding the Fourth Proportional to 42,863.63, 59,138.13 and 27,767.86

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Solution

The fourth proportional to 42,863.63, 59,138.13 and 27,767.86 is: 38,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.63 : 59,138.13 = 27,767.86 : x
  2. Step 2: Convert to fraction form
    42,863.63/59,138.13 = 27,767.86/x
  3. Step 3: Cross multiply
    42,863.63x = 59,138.13 × 27,767.86
  4. Step 4: Simplify right side
    42,863.63x = 1,642,139,314.50
  5. Step 5: Solve for x
    x = 1,642,139,314.50/42,863.63
  6. Step 6: Final answer
    x = 38,310.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.