Home / 38,278.35-57,424.41-15,776.51

Finding the Fourth Proportional to 38,278.35, 57,424.41 and 15,776.51

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Solution

The fourth proportional to 38,278.35, 57,424.41 and 15,776.51 is: 23,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.35 : 57,424.41 = 15,776.51 : x
  2. Step 2: Convert to fraction form
    38,278.35/57,424.41 = 15,776.51/x
  3. Step 3: Cross multiply
    38,278.35x = 57,424.41 × 15,776.51
  4. Step 4: Simplify right side
    38,278.35x = 905,956,491.49
  5. Step 5: Solve for x
    x = 905,956,491.49/38,278.35
  6. Step 6: Final answer
    x = 23,667.60

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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.