Home / 28,244.22-38,977.41-15,497.18

Finding the Fourth Proportional to 28,244.22, 38,977.41 and 15,497.18

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Solution

The fourth proportional to 28,244.22, 38,977.41 and 15,497.18 is: 21,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.22 : 38,977.41 = 15,497.18 : x
  2. Step 2: Convert to fraction form
    28,244.22/38,977.41 = 15,497.18/x
  3. Step 3: Cross multiply
    28,244.22x = 38,977.41 × 15,497.18
  4. Step 4: Simplify right side
    28,244.22x = 604,039,743.82
  5. Step 5: Solve for x
    x = 604,039,743.82/28,244.22
  6. Step 6: Final answer
    x = 21,386.31

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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.