Home / 38,209.20-57,313.80-26,399.40

Finding the Fourth Proportional to 38,209.20, 57,313.80 and 26,399.40

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Solution

The fourth proportional to 38,209.20, 57,313.80 and 26,399.40 is: 39,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.20 : 57,313.80 = 26,399.40 : x
  2. Step 2: Convert to fraction form
    38,209.20/57,313.80 = 26,399.40/x
  3. Step 3: Cross multiply
    38,209.20x = 57,313.80 × 26,399.40
  4. Step 4: Simplify right side
    38,209.20x = 1,513,049,931.72
  5. Step 5: Solve for x
    x = 1,513,049,931.72/38,209.20
  6. Step 6: Final answer
    x = 39,599.10

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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.