Home / 27,637.60-41,410.80-15,930.40

Finding the Fourth Proportional to 27,637.60, 41,410.80 and 15,930.40

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Solution

The fourth proportional to 27,637.60, 41,410.80 and 15,930.40 is: 23,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.60 : 41,410.80 = 15,930.40 : x
  2. Step 2: Convert to fraction form
    27,637.60/41,410.80 = 15,930.40/x
  3. Step 3: Cross multiply
    27,637.60x = 41,410.80 × 15,930.40
  4. Step 4: Simplify right side
    27,637.60x = 659,690,608.32
  5. Step 5: Solve for x
    x = 659,690,608.32/27,637.60
  6. Step 6: Final answer
    x = 23,869.32

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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.