Home / 19,216.90-28,815.63-5,885.92

Finding the Fourth Proportional to 19,216.90, 28,815.63 and 5,885.92

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Solution

The fourth proportional to 19,216.90, 28,815.63 and 5,885.92 is: 8,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.90 : 28,815.63 = 5,885.92 : x
  2. Step 2: Convert to fraction form
    19,216.90/28,815.63 = 5,885.92/x
  3. Step 3: Cross multiply
    19,216.90x = 28,815.63 × 5,885.92
  4. Step 4: Simplify right side
    19,216.90x = 169,606,492.93
  5. Step 5: Solve for x
    x = 169,606,492.93/19,216.90
  6. Step 6: Final answer
    x = 8,825.90

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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.