Home / 21,062.35-31,582.96-7,017.44

Finding the Fourth Proportional to 21,062.35, 31,582.96 and 7,017.44

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Solution

The fourth proportional to 21,062.35, 31,582.96 and 7,017.44 is: 10,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.35 : 31,582.96 = 7,017.44 : x
  2. Step 2: Convert to fraction form
    21,062.35/31,582.96 = 7,017.44/x
  3. Step 3: Cross multiply
    21,062.35x = 31,582.96 × 7,017.44
  4. Step 4: Simplify right side
    21,062.35x = 221,631,333.82
  5. Step 5: Solve for x
    x = 221,631,333.82/21,062.35
  6. Step 6: Final answer
    x = 10,522.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.