Home / 28,272.44-42,407.75-8,549.35

Finding the Fourth Proportional to 28,272.44, 42,407.75 and 8,549.35

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Solution

The fourth proportional to 28,272.44, 42,407.75 and 8,549.35 is: 12,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.44 : 42,407.75 = 8,549.35 : x
  2. Step 2: Convert to fraction form
    28,272.44/42,407.75 = 8,549.35/x
  3. Step 3: Cross multiply
    28,272.44x = 42,407.75 × 8,549.35
  4. Step 4: Simplify right side
    28,272.44x = 362,558,612.82
  5. Step 5: Solve for x
    x = 362,558,612.82/28,272.44
  6. Step 6: Final answer
    x = 12,823.75

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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.