Home / 19,901.06-27,441.03-15,353.38

Finding the Fourth Proportional to 19,901.06, 27,441.03 and 15,353.38

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Solution

The fourth proportional to 19,901.06, 27,441.03 and 15,353.38 is: 21,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.06 : 27,441.03 = 15,353.38 : x
  2. Step 2: Convert to fraction form
    19,901.06/27,441.03 = 15,353.38/x
  3. Step 3: Cross multiply
    19,901.06x = 27,441.03 × 15,353.38
  4. Step 4: Simplify right side
    19,901.06x = 421,312,347.21
  5. Step 5: Solve for x
    x = 421,312,347.21/19,901.06
  6. Step 6: Final answer
    x = 21,170.35

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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.