Home / 27,159.45-37,478.48-15,830.79

Finding the Fourth Proportional to 27,159.45, 37,478.48 and 15,830.79

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Solution

The fourth proportional to 27,159.45, 37,478.48 and 15,830.79 is: 21,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.45 : 37,478.48 = 15,830.79 : x
  2. Step 2: Convert to fraction form
    27,159.45/37,478.48 = 15,830.79/x
  3. Step 3: Cross multiply
    27,159.45x = 37,478.48 × 15,830.79
  4. Step 4: Simplify right side
    27,159.45x = 593,313,759.01
  5. Step 5: Solve for x
    x = 593,313,759.01/27,159.45
  6. Step 6: Final answer
    x = 21,845.58

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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.