Home / 21,612.02-32,325.87-13,271.54

Finding the Fourth Proportional to 21,612.02, 32,325.87 and 13,271.54

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Solution

The fourth proportional to 21,612.02, 32,325.87 and 13,271.54 is: 19,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.02 : 32,325.87 = 13,271.54 : x
  2. Step 2: Convert to fraction form
    21,612.02/32,325.87 = 13,271.54/x
  3. Step 3: Cross multiply
    21,612.02x = 32,325.87 × 13,271.54
  4. Step 4: Simplify right side
    21,612.02x = 429,014,076.74
  5. Step 5: Solve for x
    x = 429,014,076.74/21,612.02
  6. Step 6: Final answer
    x = 19,850.72

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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.