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Finding the Fourth Proportional to 21,533, 32,299.22 and 7,492.76

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Solution

The fourth proportional to 21,533, 32,299.22 and 7,492.76 is: 11,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533 : 32,299.22 = 7,492.76 : x
  2. Step 2: Convert to fraction form
    21,533/32,299.22 = 7,492.76/x
  3. Step 3: Cross multiply
    21,533x = 32,299.22 × 7,492.76
  4. Step 4: Simplify right side
    21,533x = 242,010,303.65
  5. Step 5: Solve for x
    x = 242,010,303.65/21,533
  6. Step 6: Final answer
    x = 11,239.04

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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.