Home / 28,077.08-38,752.88-16,147.31

Finding the Fourth Proportional to 28,077.08, 38,752.88 and 16,147.31

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Solution

The fourth proportional to 28,077.08, 38,752.88 and 16,147.31 is: 22,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.08 : 38,752.88 = 16,147.31 : x
  2. Step 2: Convert to fraction form
    28,077.08/38,752.88 = 16,147.31/x
  3. Step 3: Cross multiply
    28,077.08x = 38,752.88 × 16,147.31
  4. Step 4: Simplify right side
    28,077.08x = 625,754,492.25
  5. Step 5: Solve for x
    x = 625,754,492.25/28,077.08
  6. Step 6: Final answer
    x = 22,287.03

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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.