Home / 19,027.84-28,541.68-5,176.80

Finding the Fourth Proportional to 19,027.84, 28,541.68 and 5,176.80

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Solution

The fourth proportional to 19,027.84, 28,541.68 and 5,176.80 is: 7,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.84 : 28,541.68 = 5,176.80 : x
  2. Step 2: Convert to fraction form
    19,027.84/28,541.68 = 5,176.80/x
  3. Step 3: Cross multiply
    19,027.84x = 28,541.68 × 5,176.80
  4. Step 4: Simplify right side
    19,027.84x = 147,754,569.02
  5. Step 5: Solve for x
    x = 147,754,569.02/19,027.84
  6. Step 6: Final answer
    x = 7,765.18

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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.