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Finding the Fourth Proportional to 15,772.71, 23,656.29 and 5,775.39

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Solution

The fourth proportional to 15,772.71, 23,656.29 and 5,775.39 is: 8,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.71 : 23,656.29 = 5,775.39 : x
  2. Step 2: Convert to fraction form
    15,772.71/23,656.29 = 5,775.39/x
  3. Step 3: Cross multiply
    15,772.71x = 23,656.29 × 5,775.39
  4. Step 4: Simplify right side
    15,772.71x = 136,624,300.70
  5. Step 5: Solve for x
    x = 136,624,300.70/15,772.71
  6. Step 6: Final answer
    x = 8,662.07

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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.