Home / 19,017.47-28,527.84-4,977.44

Finding the Fourth Proportional to 19,017.47, 28,527.84 and 4,977.44

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Solution

The fourth proportional to 19,017.47, 28,527.84 and 4,977.44 is: 7,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.47 : 28,527.84 = 4,977.44 : x
  2. Step 2: Convert to fraction form
    19,017.47/28,527.84 = 4,977.44/x
  3. Step 3: Cross multiply
    19,017.47x = 28,527.84 × 4,977.44
  4. Step 4: Simplify right side
    19,017.47x = 141,995,469.29
  5. Step 5: Solve for x
    x = 141,995,469.29/19,017.47
  6. Step 6: Final answer
    x = 7,466.58

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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.