Home / 27,418.19-37,834.29-15,931.31

Finding the Fourth Proportional to 27,418.19, 37,834.29 and 15,931.31

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Solution

The fourth proportional to 27,418.19, 37,834.29 and 15,931.31 is: 21,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.19 : 37,834.29 = 15,931.31 : x
  2. Step 2: Convert to fraction form
    27,418.19/37,834.29 = 15,931.31/x
  3. Step 3: Cross multiply
    27,418.19x = 37,834.29 × 15,931.31
  4. Step 4: Simplify right side
    27,418.19x = 602,749,613.45
  5. Step 5: Solve for x
    x = 602,749,613.45/27,418.19
  6. Step 6: Final answer
    x = 21,983.57

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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.