Home / 19,795.86-27,289.41-15,071.94

Finding the Fourth Proportional to 19,795.86, 27,289.41 and 15,071.94

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Solution

The fourth proportional to 19,795.86, 27,289.41 and 15,071.94 is: 20,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.86 : 27,289.41 = 15,071.94 : x
  2. Step 2: Convert to fraction form
    19,795.86/27,289.41 = 15,071.94/x
  3. Step 3: Cross multiply
    19,795.86x = 27,289.41 × 15,071.94
  4. Step 4: Simplify right side
    19,795.86x = 411,304,350.16
  5. Step 5: Solve for x
    x = 411,304,350.16/19,795.86
  6. Step 6: Final answer
    x = 20,777.29

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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.