Home / 28,400.35-39,191.61-17,795.83

Finding the Fourth Proportional to 28,400.35, 39,191.61 and 17,795.83

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Solution

The fourth proportional to 28,400.35, 39,191.61 and 17,795.83 is: 24,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.35 : 39,191.61 = 17,795.83 : x
  2. Step 2: Convert to fraction form
    28,400.35/39,191.61 = 17,795.83/x
  3. Step 3: Cross multiply
    28,400.35x = 39,191.61 × 17,795.83
  4. Step 4: Simplify right side
    28,400.35x = 697,447,228.99
  5. Step 5: Solve for x
    x = 697,447,228.99/28,400.35
  6. Step 6: Final answer
    x = 24,557.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.