Home / 38,917.28-58,399.53-15,541.76

Finding the Fourth Proportional to 38,917.28, 58,399.53 and 15,541.76

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Solution

The fourth proportional to 38,917.28, 58,399.53 and 15,541.76 is: 23,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.28 : 58,399.53 = 15,541.76 : x
  2. Step 2: Convert to fraction form
    38,917.28/58,399.53 = 15,541.76/x
  3. Step 3: Cross multiply
    38,917.28x = 58,399.53 × 15,541.76
  4. Step 4: Simplify right side
    38,917.28x = 907,631,479.37
  5. Step 5: Solve for x
    x = 907,631,479.37/38,917.28
  6. Step 6: Final answer
    x = 23,322.07

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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.