Home / 27,509.78-37,961.52-15,574.46

Finding the Fourth Proportional to 27,509.78, 37,961.52 and 15,574.46

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Solution

The fourth proportional to 27,509.78, 37,961.52 and 15,574.46 is: 21,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509.78 : 37,961.52 = 15,574.46 : x
  2. Step 2: Convert to fraction form
    27,509.78/37,961.52 = 15,574.46/x
  3. Step 3: Cross multiply
    27,509.78x = 37,961.52 × 15,574.46
  4. Step 4: Simplify right side
    27,509.78x = 591,230,174.78
  5. Step 5: Solve for x
    x = 591,230,174.78/27,509.78
  6. Step 6: Final answer
    x = 21,491.64

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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.