Home / 25,662.13-35,416.82-15,592.21

Finding the Fourth Proportional to 25,662.13, 35,416.82 and 15,592.21

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Solution

The fourth proportional to 25,662.13, 35,416.82 and 15,592.21 is: 21,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.13 : 35,416.82 = 15,592.21 : x
  2. Step 2: Convert to fraction form
    25,662.13/35,416.82 = 15,592.21/x
  3. Step 3: Cross multiply
    25,662.13x = 35,416.82 × 15,592.21
  4. Step 4: Simplify right side
    25,662.13x = 552,226,417.01
  5. Step 5: Solve for x
    x = 552,226,417.01/25,662.13
  6. Step 6: Final answer
    x = 21,519.12

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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.