Home / 21,541.73-32,328.40-14,143.60

Finding the Fourth Proportional to 21,541.73, 32,328.40 and 14,143.60

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Solution

The fourth proportional to 21,541.73, 32,328.40 and 14,143.60 is: 21,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.73 : 32,328.40 = 14,143.60 : x
  2. Step 2: Convert to fraction form
    21,541.73/32,328.40 = 14,143.60/x
  3. Step 3: Cross multiply
    21,541.73x = 32,328.40 × 14,143.60
  4. Step 4: Simplify right side
    21,541.73x = 457,239,958.24
  5. Step 5: Solve for x
    x = 457,239,958.24/21,541.73
  6. Step 6: Final answer
    x = 21,225.78

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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.