Home / 28,870.42-39,832.11-16,934.26

Finding the Fourth Proportional to 28,870.42, 39,832.11 and 16,934.26

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Solution

The fourth proportional to 28,870.42, 39,832.11 and 16,934.26 is: 23,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.42 : 39,832.11 = 16,934.26 : x
  2. Step 2: Convert to fraction form
    28,870.42/39,832.11 = 16,934.26/x
  3. Step 3: Cross multiply
    28,870.42x = 39,832.11 × 16,934.26
  4. Step 4: Simplify right side
    28,870.42x = 674,527,307.09
  5. Step 5: Solve for x
    x = 674,527,307.09/28,870.42
  6. Step 6: Final answer
    x = 23,363.96

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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.