Home / 21,480.21-32,225.00-8,830.06

Finding the Fourth Proportional to 21,480.21, 32,225.00 and 8,830.06

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Solution

The fourth proportional to 21,480.21, 32,225.00 and 8,830.06 is: 13,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.21 : 32,225.00 = 8,830.06 : x
  2. Step 2: Convert to fraction form
    21,480.21/32,225.00 = 8,830.06/x
  3. Step 3: Cross multiply
    21,480.21x = 32,225.00 × 8,830.06
  4. Step 4: Simplify right side
    21,480.21x = 284,548,558.79
  5. Step 5: Solve for x
    x = 284,548,558.79/21,480.21
  6. Step 6: Final answer
    x = 13,247.01

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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.