Home / 21,273.25-31,854.14-14,999.30

Finding the Fourth Proportional to 21,273.25, 31,854.14 and 14,999.30

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Solution

The fourth proportional to 21,273.25, 31,854.14 and 14,999.30 is: 22,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.25 : 31,854.14 = 14,999.30 : x
  2. Step 2: Convert to fraction form
    21,273.25/31,854.14 = 14,999.30/x
  3. Step 3: Cross multiply
    21,273.25x = 31,854.14 × 14,999.30
  4. Step 4: Simplify right side
    21,273.25x = 477,789,802.10
  5. Step 5: Solve for x
    x = 477,789,802.10/21,273.25
  6. Step 6: Final answer
    x = 22,459.65

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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.