Home / 28,227.24-38,953.38-15,480.09

Finding the Fourth Proportional to 28,227.24, 38,953.38 and 15,480.09

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Solution

The fourth proportional to 28,227.24, 38,953.38 and 15,480.09 is: 21,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.24 : 38,953.38 = 15,480.09 : x
  2. Step 2: Convert to fraction form
    28,227.24/38,953.38 = 15,480.09/x
  3. Step 3: Cross multiply
    28,227.24x = 38,953.38 × 15,480.09
  4. Step 4: Simplify right side
    28,227.24x = 603,001,828.20
  5. Step 5: Solve for x
    x = 603,001,828.20/28,227.24
  6. Step 6: Final answer
    x = 21,362.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.