Home / 28,125.29-38,812.93-16,190.95

Finding the Fourth Proportional to 28,125.29, 38,812.93 and 16,190.95

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Solution

The fourth proportional to 28,125.29, 38,812.93 and 16,190.95 is: 22,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.29 : 38,812.93 = 16,190.95 : x
  2. Step 2: Convert to fraction form
    28,125.29/38,812.93 = 16,190.95/x
  3. Step 3: Cross multiply
    28,125.29x = 38,812.93 × 16,190.95
  4. Step 4: Simplify right side
    28,125.29x = 628,418,208.98
  5. Step 5: Solve for x
    x = 628,418,208.98/28,125.29
  6. Step 6: Final answer
    x = 22,343.53

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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.