Home / 28,612.31-39,482.84-16,034.63

Finding the Fourth Proportional to 28,612.31, 39,482.84 and 16,034.63

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Solution

The fourth proportional to 28,612.31, 39,482.84 and 16,034.63 is: 22,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.31 : 39,482.84 = 16,034.63 : x
  2. Step 2: Convert to fraction form
    28,612.31/39,482.84 = 16,034.63/x
  3. Step 3: Cross multiply
    28,612.31x = 39,482.84 × 16,034.63
  4. Step 4: Simplify right side
    28,612.31x = 633,092,573.42
  5. Step 5: Solve for x
    x = 633,092,573.42/28,612.31
  6. Step 6: Final answer
    x = 22,126.58

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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.