Home / 27,069.09-37,355.40-15,132.42

Finding the Fourth Proportional to 27,069.09, 37,355.40 and 15,132.42

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Solution

The fourth proportional to 27,069.09, 37,355.40 and 15,132.42 is: 20,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069.09 : 37,355.40 = 15,132.42 : x
  2. Step 2: Convert to fraction form
    27,069.09/37,355.40 = 15,132.42/x
  3. Step 3: Cross multiply
    27,069.09x = 37,355.40 × 15,132.42
  4. Step 4: Simplify right side
    27,069.09x = 565,277,602.07
  5. Step 5: Solve for x
    x = 565,277,602.07/27,069.09
  6. Step 6: Final answer
    x = 20,882.77

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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.