Home / 21,266.28-31,899.42-5,683.50

Finding the Fourth Proportional to 21,266.28, 31,899.42 and 5,683.50

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Solution

The fourth proportional to 21,266.28, 31,899.42 and 5,683.50 is: 8,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.28 : 31,899.42 = 5,683.50 : x
  2. Step 2: Convert to fraction form
    21,266.28/31,899.42 = 5,683.50/x
  3. Step 3: Cross multiply
    21,266.28x = 31,899.42 × 5,683.50
  4. Step 4: Simplify right side
    21,266.28x = 181,300,353.57
  5. Step 5: Solve for x
    x = 181,300,353.57/21,266.28
  6. Step 6: Final answer
    x = 8,525.25

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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.