Home / 21,262.56-29,297.52-14,549.28

Finding the Fourth Proportional to 21,262.56, 29,297.52 and 14,549.28

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Solution

The fourth proportional to 21,262.56, 29,297.52 and 14,549.28 is: 20,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.56 : 29,297.52 = 14,549.28 : x
  2. Step 2: Convert to fraction form
    21,262.56/29,297.52 = 14,549.28/x
  3. Step 3: Cross multiply
    21,262.56x = 29,297.52 × 14,549.28
  4. Step 4: Simplify right side
    21,262.56x = 426,257,821.79
  5. Step 5: Solve for x
    x = 426,257,821.79/21,262.56
  6. Step 6: Final answer
    x = 20,047.34

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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.