Home / 27,730.52-38,274.91-15,800.89

Finding the Fourth Proportional to 27,730.52, 38,274.91 and 15,800.89

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Solution

The fourth proportional to 27,730.52, 38,274.91 and 15,800.89 is: 21,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.52 : 38,274.91 = 15,800.89 : x
  2. Step 2: Convert to fraction form
    27,730.52/38,274.91 = 15,800.89/x
  3. Step 3: Cross multiply
    27,730.52x = 38,274.91 × 15,800.89
  4. Step 4: Simplify right side
    27,730.52x = 604,777,451.30
  5. Step 5: Solve for x
    x = 604,777,451.30/27,730.52
  6. Step 6: Final answer
    x = 21,809.10

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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.