Home / 19,089.76-28,638.08-5,939.04

Finding the Fourth Proportional to 19,089.76, 28,638.08 and 5,939.04

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Solution

The fourth proportional to 19,089.76, 28,638.08 and 5,939.04 is: 8,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.76 : 28,638.08 = 5,939.04 : x
  2. Step 2: Convert to fraction form
    19,089.76/28,638.08 = 5,939.04/x
  3. Step 3: Cross multiply
    19,089.76x = 28,638.08 × 5,939.04
  4. Step 4: Simplify right side
    19,089.76x = 170,082,702.64
  5. Step 5: Solve for x
    x = 170,082,702.64/19,089.76
  6. Step 6: Final answer
    x = 8,909.63

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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.