Home / 27,417.81-41,128.78-15,567.01

Finding the Fourth Proportional to 27,417.81, 41,128.78 and 15,567.01

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Solution

The fourth proportional to 27,417.81, 41,128.78 and 15,567.01 is: 23,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.81 : 41,128.78 = 15,567.01 : x
  2. Step 2: Convert to fraction form
    27,417.81/41,128.78 = 15,567.01/x
  3. Step 3: Cross multiply
    27,417.81x = 41,128.78 × 15,567.01
  4. Step 4: Simplify right side
    27,417.81x = 640,252,129.55
  5. Step 5: Solve for x
    x = 640,252,129.55/27,417.81
  6. Step 6: Final answer
    x = 23,351.69

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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.