Home / 27,515.52-37,970.24-15,578.24

Finding the Fourth Proportional to 27,515.52, 37,970.24 and 15,578.24

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Solution

The fourth proportional to 27,515.52, 37,970.24 and 15,578.24 is: 21,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.52 : 37,970.24 = 15,578.24 : x
  2. Step 2: Convert to fraction form
    27,515.52/37,970.24 = 15,578.24/x
  3. Step 3: Cross multiply
    27,515.52x = 37,970.24 × 15,578.24
  4. Step 4: Simplify right side
    27,515.52x = 591,509,511.58
  5. Step 5: Solve for x
    x = 591,509,511.58/27,515.52
  6. Step 6: Final answer
    x = 21,497.30

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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.