Home / 21,809.08-32,688.06-10,098.28

Finding the Fourth Proportional to 21,809.08, 32,688.06 and 10,098.28

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Solution

The fourth proportional to 21,809.08, 32,688.06 and 10,098.28 is: 15,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809.08 : 32,688.06 = 10,098.28 : x
  2. Step 2: Convert to fraction form
    21,809.08/32,688.06 = 10,098.28/x
  3. Step 3: Cross multiply
    21,809.08x = 32,688.06 × 10,098.28
  4. Step 4: Simplify right side
    21,809.08x = 330,093,182.54
  5. Step 5: Solve for x
    x = 330,093,182.54/21,809.08
  6. Step 6: Final answer
    x = 15,135.58

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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.