Home / 27,037.79-40,564.90-12,817.19

Finding the Fourth Proportional to 27,037.79, 40,564.90 and 12,817.19

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Solution

The fourth proportional to 27,037.79, 40,564.90 and 12,817.19 is: 19,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,037.79 : 40,564.90 = 12,817.19 : x
  2. Step 2: Convert to fraction form
    27,037.79/40,564.90 = 12,817.19/x
  3. Step 3: Cross multiply
    27,037.79x = 40,564.90 × 12,817.19
  4. Step 4: Simplify right side
    27,037.79x = 519,928,148.06
  5. Step 5: Solve for x
    x = 519,928,148.06/27,037.79
  6. Step 6: Final answer
    x = 19,229.68

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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.