Home / 21,906.32-32,876.52-15,289.52

Finding the Fourth Proportional to 21,906.32, 32,876.52 and 15,289.52

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Solution

The fourth proportional to 21,906.32, 32,876.52 and 15,289.52 is: 22,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.32 : 32,876.52 = 15,289.52 : x
  2. Step 2: Convert to fraction form
    21,906.32/32,876.52 = 15,289.52/x
  3. Step 3: Cross multiply
    21,906.32x = 32,876.52 × 15,289.52
  4. Step 4: Simplify right side
    21,906.32x = 502,666,210.07
  5. Step 5: Solve for x
    x = 502,666,210.07/21,906.32
  6. Step 6: Final answer
    x = 22,946.17

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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.