Home / 26,629.52-39,931.92-15,539.40

Finding the Fourth Proportional to 26,629.52, 39,931.92 and 15,539.40

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Solution

The fourth proportional to 26,629.52, 39,931.92 and 15,539.40 is: 23,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.52 : 39,931.92 = 15,539.40 : x
  2. Step 2: Convert to fraction form
    26,629.52/39,931.92 = 15,539.40/x
  3. Step 3: Cross multiply
    26,629.52x = 39,931.92 × 15,539.40
  4. Step 4: Simplify right side
    26,629.52x = 620,518,077.65
  5. Step 5: Solve for x
    x = 620,518,077.65/26,629.52
  6. Step 6: Final answer
    x = 23,301.89

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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.