Home / 21,678.06-32,514.75-14,702.85

Finding the Fourth Proportional to 21,678.06, 32,514.75 and 14,702.85

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Solution

The fourth proportional to 21,678.06, 32,514.75 and 14,702.85 is: 22,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.06 : 32,514.75 = 14,702.85 : x
  2. Step 2: Convert to fraction form
    21,678.06/32,514.75 = 14,702.85/x
  3. Step 3: Cross multiply
    21,678.06x = 32,514.75 × 14,702.85
  4. Step 4: Simplify right side
    21,678.06x = 478,059,492.04
  5. Step 5: Solve for x
    x = 478,059,492.04/21,678.06
  6. Step 6: Final answer
    x = 22,052.69

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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.