Home / 21,588.15-32,334.54-14,102.45

Finding the Fourth Proportional to 21,588.15, 32,334.54 and 14,102.45

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Solution

The fourth proportional to 21,588.15, 32,334.54 and 14,102.45 is: 21,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.15 : 32,334.54 = 14,102.45 : x
  2. Step 2: Convert to fraction form
    21,588.15/32,334.54 = 14,102.45/x
  3. Step 3: Cross multiply
    21,588.15x = 32,334.54 × 14,102.45
  4. Step 4: Simplify right side
    21,588.15x = 455,996,401.53
  5. Step 5: Solve for x
    x = 455,996,401.53/21,588.15
  6. Step 6: Final answer
    x = 21,122.54

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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.