Home / 21,353.28-32,013.33-13,840.98

Finding the Fourth Proportional to 21,353.28, 32,013.33 and 13,840.98

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Solution

The fourth proportional to 21,353.28, 32,013.33 and 13,840.98 is: 20,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.28 : 32,013.33 = 13,840.98 : x
  2. Step 2: Convert to fraction form
    21,353.28/32,013.33 = 13,840.98/x
  3. Step 3: Cross multiply
    21,353.28x = 32,013.33 × 13,840.98
  4. Step 4: Simplify right side
    21,353.28x = 443,095,860.26
  5. Step 5: Solve for x
    x = 443,095,860.26/21,353.28
  6. Step 6: Final answer
    x = 20,750.72

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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.