Home / 21,054.27-31,572.39-7,010.49

Finding the Fourth Proportional to 21,054.27, 31,572.39 and 7,010.49

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Solution

The fourth proportional to 21,054.27, 31,572.39 and 7,010.49 is: 10,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.27 : 31,572.39 = 7,010.49 : x
  2. Step 2: Convert to fraction form
    21,054.27/31,572.39 = 7,010.49/x
  3. Step 3: Cross multiply
    21,054.27x = 31,572.39 × 7,010.49
  4. Step 4: Simplify right side
    21,054.27x = 221,337,924.37
  5. Step 5: Solve for x
    x = 221,337,924.37/21,054.27
  6. Step 6: Final answer
    x = 10,512.73

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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.