Home / 20,441.93-28,130.15-18,089.69

Finding the Fourth Proportional to 20,441.93, 28,130.15 and 18,089.69

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Solution

The fourth proportional to 20,441.93, 28,130.15 and 18,089.69 is: 24,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.93 : 28,130.15 = 18,089.69 : x
  2. Step 2: Convert to fraction form
    20,441.93/28,130.15 = 18,089.69/x
  3. Step 3: Cross multiply
    20,441.93x = 28,130.15 × 18,089.69
  4. Step 4: Simplify right side
    20,441.93x = 508,865,597.73
  5. Step 5: Solve for x
    x = 508,865,597.73/20,441.93
  6. Step 6: Final answer
    x = 24,893.23

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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.