Home / 28,207.94-38,927.40-15,460.97

Finding the Fourth Proportional to 28,207.94, 38,927.40 and 15,460.97

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Solution

The fourth proportional to 28,207.94, 38,927.40 and 15,460.97 is: 21,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.94 : 38,927.40 = 15,460.97 : x
  2. Step 2: Convert to fraction form
    28,207.94/38,927.40 = 15,460.97/x
  3. Step 3: Cross multiply
    28,207.94x = 38,927.40 × 15,460.97
  4. Step 4: Simplify right side
    28,207.94x = 601,855,363.58
  5. Step 5: Solve for x
    x = 601,855,363.58/28,207.94
  6. Step 6: Final answer
    x = 21,336.38

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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.