Home / 19,277.92-28,916.40-8,889.66

Finding the Fourth Proportional to 19,277.92, 28,916.40 and 8,889.66

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Solution

The fourth proportional to 19,277.92, 28,916.40 and 8,889.66 is: 13,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.92 : 28,916.40 = 8,889.66 : x
  2. Step 2: Convert to fraction form
    19,277.92/28,916.40 = 8,889.66/x
  3. Step 3: Cross multiply
    19,277.92x = 28,916.40 × 8,889.66
  4. Step 4: Simplify right side
    19,277.92x = 257,056,964.42
  5. Step 5: Solve for x
    x = 257,056,964.42/19,277.92
  6. Step 6: Final answer
    x = 13,334.27

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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.