Home / 21,022.02-31,533.03-5,227.02

Finding the Fourth Proportional to 21,022.02, 31,533.03 and 5,227.02

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Solution

The fourth proportional to 21,022.02, 31,533.03 and 5,227.02 is: 7,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.02 : 31,533.03 = 5,227.02 : x
  2. Step 2: Convert to fraction form
    21,022.02/31,533.03 = 5,227.02/x
  3. Step 3: Cross multiply
    21,022.02x = 31,533.03 × 5,227.02
  4. Step 4: Simplify right side
    21,022.02x = 164,823,778.47
  5. Step 5: Solve for x
    x = 164,823,778.47/21,022.02
  6. Step 6: Final answer
    x = 7,840.53

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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.