Home / 38,391.55-57,588.23-10,311.64

Finding the Fourth Proportional to 38,391.55, 57,588.23 and 10,311.64

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Solution

The fourth proportional to 38,391.55, 57,588.23 and 10,311.64 is: 15,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,391.55 : 57,588.23 = 10,311.64 : x
  2. Step 2: Convert to fraction form
    38,391.55/57,588.23 = 10,311.64/x
  3. Step 3: Cross multiply
    38,391.55x = 57,588.23 × 10,311.64
  4. Step 4: Simplify right side
    38,391.55x = 593,828,977.81
  5. Step 5: Solve for x
    x = 593,828,977.81/38,391.55
  6. Step 6: Final answer
    x = 15,467.70

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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.