Home / 21,838.44-32,731.74-12,585.32

Finding the Fourth Proportional to 21,838.44, 32,731.74 and 12,585.32

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Solution

The fourth proportional to 21,838.44, 32,731.74 and 12,585.32 is: 18,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.44 : 32,731.74 = 12,585.32 : x
  2. Step 2: Convert to fraction form
    21,838.44/32,731.74 = 12,585.32/x
  3. Step 3: Cross multiply
    21,838.44x = 32,731.74 × 12,585.32
  4. Step 4: Simplify right side
    21,838.44x = 411,939,422.06
  5. Step 5: Solve for x
    x = 411,939,422.06/21,838.44
  6. Step 6: Final answer
    x = 18,863.04

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1.5x scale

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.