Home / 25,522.80-35,212.68-15,956.16

Finding the Fourth Proportional to 25,522.80, 35,212.68 and 15,956.16

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Solution

The fourth proportional to 25,522.80, 35,212.68 and 15,956.16 is: 22,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.80 : 35,212.68 = 15,956.16 : x
  2. Step 2: Convert to fraction form
    25,522.80/35,212.68 = 15,956.16/x
  3. Step 3: Cross multiply
    25,522.80x = 35,212.68 × 15,956.16
  4. Step 4: Simplify right side
    25,522.80x = 561,859,156.11
  5. Step 5: Solve for x
    x = 561,859,156.11/25,522.80
  6. Step 6: Final answer
    x = 22,014.01

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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.