Home / 21,088.55-31,632.20-5,506.17

Finding the Fourth Proportional to 21,088.55, 31,632.20 and 5,506.17

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Solution

The fourth proportional to 21,088.55, 31,632.20 and 5,506.17 is: 8,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.55 : 31,632.20 = 5,506.17 : x
  2. Step 2: Convert to fraction form
    21,088.55/31,632.20 = 5,506.17/x
  3. Step 3: Cross multiply
    21,088.55x = 31,632.20 × 5,506.17
  4. Step 4: Simplify right side
    21,088.55x = 174,172,284.44
  5. Step 5: Solve for x
    x = 174,172,284.44/21,088.55
  6. Step 6: Final answer
    x = 8,259.09

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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.