Home / 27,090.20-37,386.30-15,154.65

Finding the Fourth Proportional to 27,090.20, 37,386.30 and 15,154.65

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Solution

The fourth proportional to 27,090.20, 37,386.30 and 15,154.65 is: 20,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.20 : 37,386.30 = 15,154.65 : x
  2. Step 2: Convert to fraction form
    27,090.20/37,386.30 = 15,154.65/x
  3. Step 3: Cross multiply
    27,090.20x = 37,386.30 × 15,154.65
  4. Step 4: Simplify right side
    27,090.20x = 566,576,291.30
  5. Step 5: Solve for x
    x = 566,576,291.30/27,090.20
  6. Step 6: Final answer
    x = 20,914.44

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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.