Home / 21,461.71-32,187.65-5,880.55

Finding the Fourth Proportional to 21,461.71, 32,187.65 and 5,880.55

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Solution

The fourth proportional to 21,461.71, 32,187.65 and 5,880.55 is: 8,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.71 : 32,187.65 = 5,880.55 : x
  2. Step 2: Convert to fraction form
    21,461.71/32,187.65 = 5,880.55/x
  3. Step 3: Cross multiply
    21,461.71x = 32,187.65 × 5,880.55
  4. Step 4: Simplify right side
    21,461.71x = 189,281,055.80
  5. Step 5: Solve for x
    x = 189,281,055.80/21,461.71
  6. Step 6: Final answer
    x = 8,819.48

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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.