Home / 21,032.02-31,544.76-6,992.29

Finding the Fourth Proportional to 21,032.02, 31,544.76 and 6,992.29

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Solution

The fourth proportional to 21,032.02, 31,544.76 and 6,992.29 is: 10,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.02 : 31,544.76 = 6,992.29 : x
  2. Step 2: Convert to fraction form
    21,032.02/31,544.76 = 6,992.29/x
  3. Step 3: Cross multiply
    21,032.02x = 31,544.76 × 6,992.29
  4. Step 4: Simplify right side
    21,032.02x = 220,570,109.90
  5. Step 5: Solve for x
    x = 220,570,109.90/21,032.02
  6. Step 6: Final answer
    x = 10,487.35

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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.