Home / 28,579.02-39,435.84-16,641.24

Finding the Fourth Proportional to 28,579.02, 39,435.84 and 16,641.24

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Solution

The fourth proportional to 28,579.02, 39,435.84 and 16,641.24 is: 22,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.02 : 39,435.84 = 16,641.24 : x
  2. Step 2: Convert to fraction form
    28,579.02/39,435.84 = 16,641.24/x
  3. Step 3: Cross multiply
    28,579.02x = 39,435.84 × 16,641.24
  4. Step 4: Simplify right side
    28,579.02x = 656,261,278.04
  5. Step 5: Solve for x
    x = 656,261,278.04/28,579.02
  6. Step 6: Final answer
    x = 22,963.04

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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.