Home / 20,688.42-31,032.27-5,897.46

Finding the Fourth Proportional to 20,688.42, 31,032.27 and 5,897.46

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Solution

The fourth proportional to 20,688.42, 31,032.27 and 5,897.46 is: 8,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,688.42 : 31,032.27 = 5,897.46 : x
  2. Step 2: Convert to fraction form
    20,688.42/31,032.27 = 5,897.46/x
  3. Step 3: Cross multiply
    20,688.42x = 31,032.27 × 5,897.46
  4. Step 4: Simplify right side
    20,688.42x = 183,011,571.03
  5. Step 5: Solve for x
    x = 183,011,571.03/20,688.42
  6. Step 6: Final answer
    x = 8,846.09

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