Home / 26,404.80-39,559.20-20,894.40

Finding the Fourth Proportional to 26,404.80, 39,559.20 and 20,894.40

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Solution

The fourth proportional to 26,404.80, 39,559.20 and 20,894.40 is: 31,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404.80 : 39,559.20 = 20,894.40 : x
  2. Step 2: Convert to fraction form
    26,404.80/39,559.20 = 20,894.40/x
  3. Step 3: Cross multiply
    26,404.80x = 39,559.20 × 20,894.40
  4. Step 4: Simplify right side
    26,404.80x = 826,565,748.48
  5. Step 5: Solve for x
    x = 826,565,748.48/26,404.80
  6. Step 6: Final answer
    x = 31,303.62

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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.