Home / 19,089.47-28,638.35-5,942.90

Finding the Fourth Proportional to 19,089.47, 28,638.35 and 5,942.90

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Solution

The fourth proportional to 19,089.47, 28,638.35 and 5,942.90 is: 8,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.47 : 28,638.35 = 5,942.90 : x
  2. Step 2: Convert to fraction form
    19,089.47/28,638.35 = 5,942.90/x
  3. Step 3: Cross multiply
    19,089.47x = 28,638.35 × 5,942.90
  4. Step 4: Simplify right side
    19,089.47x = 170,194,677.31
  5. Step 5: Solve for x
    x = 170,194,677.31/19,089.47
  6. Step 6: Final answer
    x = 8,915.63

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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.