Home / 27,066.81-37,352.20-15,129.89

Finding the Fourth Proportional to 27,066.81, 37,352.20 and 15,129.89

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Solution

The fourth proportional to 27,066.81, 37,352.20 and 15,129.89 is: 20,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.81 : 37,352.20 = 15,129.89 : x
  2. Step 2: Convert to fraction form
    27,066.81/37,352.20 = 15,129.89/x
  3. Step 3: Cross multiply
    27,066.81x = 37,352.20 × 15,129.89
  4. Step 4: Simplify right side
    27,066.81x = 565,134,677.26
  5. Step 5: Solve for x
    x = 565,134,677.26/27,066.81
  6. Step 6: Final answer
    x = 20,879.25

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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.