Home / 27,087.93-40,638.78-10,443.51

Finding the Fourth Proportional to 27,087.93, 40,638.78 and 10,443.51

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Solution

The fourth proportional to 27,087.93, 40,638.78 and 10,443.51 is: 15,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.93 : 40,638.78 = 10,443.51 : x
  2. Step 2: Convert to fraction form
    27,087.93/40,638.78 = 10,443.51/x
  3. Step 3: Cross multiply
    27,087.93x = 40,638.78 × 10,443.51
  4. Step 4: Simplify right side
    27,087.93x = 424,411,505.32
  5. Step 5: Solve for x
    x = 424,411,505.32/27,087.93
  6. Step 6: Final answer
    x = 15,667.92

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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.