Home / 21,964.32-32,946.88-7,925.40

Finding the Fourth Proportional to 21,964.32, 32,946.88 and 7,925.40

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Solution

The fourth proportional to 21,964.32, 32,946.88 and 7,925.40 is: 11,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.32 : 32,946.88 = 7,925.40 : x
  2. Step 2: Convert to fraction form
    21,964.32/32,946.88 = 7,925.40/x
  3. Step 3: Cross multiply
    21,964.32x = 32,946.88 × 7,925.40
  4. Step 4: Simplify right side
    21,964.32x = 261,117,202.75
  5. Step 5: Solve for x
    x = 261,117,202.75/21,964.32
  6. Step 6: Final answer
    x = 11,888.24

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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.