Home / 26,628.52-39,930.42-15,538.40

Finding the Fourth Proportional to 26,628.52, 39,930.42 and 15,538.40

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Solution

The fourth proportional to 26,628.52, 39,930.42 and 15,538.40 is: 23,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.52 : 39,930.42 = 15,538.40 : x
  2. Step 2: Convert to fraction form
    26,628.52/39,930.42 = 15,538.40/x
  3. Step 3: Cross multiply
    26,628.52x = 39,930.42 × 15,538.40
  4. Step 4: Simplify right side
    26,628.52x = 620,454,838.13
  5. Step 5: Solve for x
    x = 620,454,838.13/26,628.52
  6. Step 6: Final answer
    x = 23,300.39

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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.