Home / 27,191.88-37,541.60-18,129.99

Finding the Fourth Proportional to 27,191.88, 37,541.60 and 18,129.99

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Solution

The fourth proportional to 27,191.88, 37,541.60 and 18,129.99 is: 25,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.88 : 37,541.60 = 18,129.99 : x
  2. Step 2: Convert to fraction form
    27,191.88/37,541.60 = 18,129.99/x
  3. Step 3: Cross multiply
    27,191.88x = 37,541.60 × 18,129.99
  4. Step 4: Simplify right side
    27,191.88x = 680,628,741.93
  5. Step 5: Solve for x
    x = 680,628,741.93/27,191.88
  6. Step 6: Final answer
    x = 25,030.59

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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.