Home / 28,270.65-39,008.48-16,329.63

Finding the Fourth Proportional to 28,270.65, 39,008.48 and 16,329.63

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Solution

The fourth proportional to 28,270.65, 39,008.48 and 16,329.63 is: 22,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.65 : 39,008.48 = 16,329.63 : x
  2. Step 2: Convert to fraction form
    28,270.65/39,008.48 = 16,329.63/x
  3. Step 3: Cross multiply
    28,270.65x = 39,008.48 × 16,329.63
  4. Step 4: Simplify right side
    28,270.65x = 636,993,963.61
  5. Step 5: Solve for x
    x = 636,993,963.61/28,270.65
  6. Step 6: Final answer
    x = 22,531.99

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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.