Home / 21,945.90-32,929.65-16,679.10

Finding the Fourth Proportional to 21,945.90, 32,929.65 and 16,679.10

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Solution

The fourth proportional to 21,945.90, 32,929.65 and 16,679.10 is: 25,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.90 : 32,929.65 = 16,679.10 : x
  2. Step 2: Convert to fraction form
    21,945.90/32,929.65 = 16,679.10/x
  3. Step 3: Cross multiply
    21,945.90x = 32,929.65 × 16,679.10
  4. Step 4: Simplify right side
    21,945.90x = 549,236,925.32
  5. Step 5: Solve for x
    x = 549,236,925.32/21,945.90
  6. Step 6: Final answer
    x = 25,026.86

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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.