Home / 27,908.43-38,513.48-15,332.91

Finding the Fourth Proportional to 27,908.43, 38,513.48 and 15,332.91

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Solution

The fourth proportional to 27,908.43, 38,513.48 and 15,332.91 is: 21,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.43 : 38,513.48 = 15,332.91 : x
  2. Step 2: Convert to fraction form
    27,908.43/38,513.48 = 15,332.91/x
  3. Step 3: Cross multiply
    27,908.43x = 38,513.48 × 15,332.91
  4. Step 4: Simplify right side
    27,908.43x = 590,523,645.96
  5. Step 5: Solve for x
    x = 590,523,645.96/27,908.43
  6. Step 6: Final answer
    x = 21,159.33

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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.