Home / 28,050.44-38,695.74-18,354.20

Finding the Fourth Proportional to 28,050.44, 38,695.74 and 18,354.20

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Solution

The fourth proportional to 28,050.44, 38,695.74 and 18,354.20 is: 25,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.44 : 38,695.74 = 18,354.20 : x
  2. Step 2: Convert to fraction form
    28,050.44/38,695.74 = 18,354.20/x
  3. Step 3: Cross multiply
    28,050.44x = 38,695.74 × 18,354.20
  4. Step 4: Simplify right side
    28,050.44x = 710,229,351.11
  5. Step 5: Solve for x
    x = 710,229,351.11/28,050.44
  6. Step 6: Final answer
    x = 25,319.72

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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.