Home / 27,189.30-37,521.54-15,090

Finding the Fourth Proportional to 27,189.30, 37,521.54 and 15,090

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Solution

The fourth proportional to 27,189.30, 37,521.54 and 15,090 is: 20,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.30 : 37,521.54 = 15,090 : x
  2. Step 2: Convert to fraction form
    27,189.30/37,521.54 = 15,090/x
  3. Step 3: Cross multiply
    27,189.30x = 37,521.54 × 15,090
  4. Step 4: Simplify right side
    27,189.30x = 566,200,038.60
  5. Step 5: Solve for x
    x = 566,200,038.60/27,189.30
  6. Step 6: Final answer
    x = 20,824.37

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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.