Home / 27,693.06-38,216.41-15,117.81

Finding the Fourth Proportional to 27,693.06, 38,216.41 and 15,117.81

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Solution

The fourth proportional to 27,693.06, 38,216.41 and 15,117.81 is: 20,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.06 : 38,216.41 = 15,117.81 : x
  2. Step 2: Convert to fraction form
    27,693.06/38,216.41 = 15,117.81/x
  3. Step 3: Cross multiply
    27,693.06x = 38,216.41 × 15,117.81
  4. Step 4: Simplify right side
    27,693.06x = 577,748,244.16
  5. Step 5: Solve for x
    x = 577,748,244.16/27,693.06
  6. Step 6: Final answer
    x = 20,862.57

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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.