Home / 21,656.91-32,467.14-10,557.89

Finding the Fourth Proportional to 21,656.91, 32,467.14 and 10,557.89

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Solution

The fourth proportional to 21,656.91, 32,467.14 and 10,557.89 is: 15,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.91 : 32,467.14 = 10,557.89 : x
  2. Step 2: Convert to fraction form
    21,656.91/32,467.14 = 10,557.89/x
  3. Step 3: Cross multiply
    21,656.91x = 32,467.14 × 10,557.89
  4. Step 4: Simplify right side
    21,656.91x = 342,784,330.40
  5. Step 5: Solve for x
    x = 342,784,330.40/21,656.91
  6. Step 6: Final answer
    x = 15,827.94

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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.