Home / 21,028.58-31,538.01-6,233.93

Finding the Fourth Proportional to 21,028.58, 31,538.01 and 6,233.93

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Solution

The fourth proportional to 21,028.58, 31,538.01 and 6,233.93 is: 9,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.58 : 31,538.01 = 6,233.93 : x
  2. Step 2: Convert to fraction form
    21,028.58/31,538.01 = 6,233.93/x
  3. Step 3: Cross multiply
    21,028.58x = 31,538.01 × 6,233.93
  4. Step 4: Simplify right side
    21,028.58x = 196,605,746.68
  5. Step 5: Solve for x
    x = 196,605,746.68/21,028.58
  6. Step 6: Final answer
    x = 9,349.45

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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.