Home / 38,674.96-57,954.12-28,767.76

Finding the Fourth Proportional to 38,674.96, 57,954.12 and 28,767.76

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Solution

The fourth proportional to 38,674.96, 57,954.12 and 28,767.76 is: 43,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.96 : 57,954.12 = 28,767.76 : x
  2. Step 2: Convert to fraction form
    38,674.96/57,954.12 = 28,767.76/x
  3. Step 3: Cross multiply
    38,674.96x = 57,954.12 × 28,767.76
  4. Step 4: Simplify right side
    38,674.96x = 1,667,210,215.17
  5. Step 5: Solve for x
    x = 1,667,210,215.17/38,674.96
  6. Step 6: Final answer
    x = 43,108.26

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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.