Home / 28,947.08-39,947.10-16,374.26

Finding the Fourth Proportional to 28,947.08, 39,947.10 and 16,374.26

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Solution

The fourth proportional to 28,947.08, 39,947.10 and 16,374.26 is: 22,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.08 : 39,947.10 = 16,374.26 : x
  2. Step 2: Convert to fraction form
    28,947.08/39,947.10 = 16,374.26/x
  3. Step 3: Cross multiply
    28,947.08x = 39,947.10 × 16,374.26
  4. Step 4: Simplify right side
    28,947.08x = 654,104,201.65
  5. Step 5: Solve for x
    x = 654,104,201.65/28,947.08
  6. Step 6: Final answer
    x = 22,596.55

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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.