Home / 18,973.08-28,460.16-15,257.61

Finding the Fourth Proportional to 18,973.08, 28,460.16 and 15,257.61

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Solution

The fourth proportional to 18,973.08, 28,460.16 and 15,257.61 is: 22,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.08 : 28,460.16 = 15,257.61 : x
  2. Step 2: Convert to fraction form
    18,973.08/28,460.16 = 15,257.61/x
  3. Step 3: Cross multiply
    18,973.08x = 28,460.16 × 15,257.61
  4. Step 4: Simplify right side
    18,973.08x = 434,234,021.82
  5. Step 5: Solve for x
    x = 434,234,021.82/18,973.08
  6. Step 6: Final answer
    x = 22,886.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.