Home / 27,423.52-37,848.22-15,781.50

Finding the Fourth Proportional to 27,423.52, 37,848.22 and 15,781.50

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Solution

The fourth proportional to 27,423.52, 37,848.22 and 15,781.50 is: 21,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.52 : 37,848.22 = 15,781.50 : x
  2. Step 2: Convert to fraction form
    27,423.52/37,848.22 = 15,781.50/x
  3. Step 3: Cross multiply
    27,423.52x = 37,848.22 × 15,781.50
  4. Step 4: Simplify right side
    27,423.52x = 597,301,628.14
  5. Step 5: Solve for x
    x = 597,301,628.14/27,423.52
  6. Step 6: Final answer
    x = 21,780.63

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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.