Home / 27,511.25-37,965.15-15,574.28

Finding the Fourth Proportional to 27,511.25, 37,965.15 and 15,574.28

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Solution

The fourth proportional to 27,511.25, 37,965.15 and 15,574.28 is: 21,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.25 : 37,965.15 = 15,574.28 : x
  2. Step 2: Convert to fraction form
    27,511.25/37,965.15 = 15,574.28/x
  3. Step 3: Cross multiply
    27,511.25x = 37,965.15 × 15,574.28
  4. Step 4: Simplify right side
    27,511.25x = 591,279,686.52
  5. Step 5: Solve for x
    x = 591,279,686.52/27,511.25
  6. Step 6: Final answer
    x = 21,492.29

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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.