Home / 28,161.12-38,866.71-16,061.62

Finding the Fourth Proportional to 28,161.12, 38,866.71 and 16,061.62

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Solution

The fourth proportional to 28,161.12, 38,866.71 and 16,061.62 is: 22,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.12 : 38,866.71 = 16,061.62 : x
  2. Step 2: Convert to fraction form
    28,161.12/38,866.71 = 16,061.62/x
  3. Step 3: Cross multiply
    28,161.12x = 38,866.71 × 16,061.62
  4. Step 4: Simplify right side
    28,161.12x = 624,262,326.67
  5. Step 5: Solve for x
    x = 624,262,326.67/28,161.12
  6. Step 6: Final answer
    x = 22,167.52

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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.