Home / 28,024.31-38,671.21-16,085.11

Finding the Fourth Proportional to 28,024.31, 38,671.21 and 16,085.11

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Solution

The fourth proportional to 28,024.31, 38,671.21 and 16,085.11 is: 22,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.31 : 38,671.21 = 16,085.11 : x
  2. Step 2: Convert to fraction form
    28,024.31/38,671.21 = 16,085.11/x
  3. Step 3: Cross multiply
    28,024.31x = 38,671.21 × 16,085.11
  4. Step 4: Simplify right side
    28,024.31x = 622,030,666.68
  5. Step 5: Solve for x
    x = 622,030,666.68/28,024.31
  6. Step 6: Final answer
    x = 22,196.11

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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.