Home / 21,266.07-29,353.77-14,549.15

Finding the Fourth Proportional to 21,266.07, 29,353.77 and 14,549.15

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Solution

The fourth proportional to 21,266.07, 29,353.77 and 14,549.15 is: 20,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.07 : 29,353.77 = 14,549.15 : x
  2. Step 2: Convert to fraction form
    21,266.07/29,353.77 = 14,549.15/x
  3. Step 3: Cross multiply
    21,266.07x = 29,353.77 × 14,549.15
  4. Step 4: Simplify right side
    21,266.07x = 427,072,256.03
  5. Step 5: Solve for x
    x = 427,072,256.03/21,266.07
  6. Step 6: Final answer
    x = 20,082.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.