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Finding the Fourth Proportional to 18,328.26, 27,492.38 and 4,477.26

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Solution

The fourth proportional to 18,328.26, 27,492.38 and 4,477.26 is: 6,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.26 : 27,492.38 = 4,477.26 : x
  2. Step 2: Convert to fraction form
    18,328.26/27,492.38 = 4,477.26/x
  3. Step 3: Cross multiply
    18,328.26x = 27,492.38 × 4,477.26
  4. Step 4: Simplify right side
    18,328.26x = 123,090,533.28
  5. Step 5: Solve for x
    x = 123,090,533.28/18,328.26
  6. Step 6: Final answer
    x = 6,715.89

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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.