Home / 21,875.70-32,818.75-7,084.61

Finding the Fourth Proportional to 21,875.70, 32,818.75 and 7,084.61

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Solution

The fourth proportional to 21,875.70, 32,818.75 and 7,084.61 is: 10,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.70 : 32,818.75 = 7,084.61 : x
  2. Step 2: Convert to fraction form
    21,875.70/32,818.75 = 7,084.61/x
  3. Step 3: Cross multiply
    21,875.70x = 32,818.75 × 7,084.61
  4. Step 4: Simplify right side
    21,875.70x = 232,507,862.63
  5. Step 5: Solve for x
    x = 232,507,862.63/21,875.70
  6. Step 6: Final answer
    x = 10,628.59

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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.