Home / 27,406.38-41,106.08-8,688.36

Finding the Fourth Proportional to 27,406.38, 41,106.08 and 8,688.36

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Solution

The fourth proportional to 27,406.38, 41,106.08 and 8,688.36 is: 13,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.38 : 41,106.08 = 8,688.36 : x
  2. Step 2: Convert to fraction form
    27,406.38/41,106.08 = 8,688.36/x
  3. Step 3: Cross multiply
    27,406.38x = 41,106.08 × 8,688.36
  4. Step 4: Simplify right side
    27,406.38x = 357,144,421.23
  5. Step 5: Solve for x
    x = 357,144,421.23/27,406.38
  6. Step 6: Final answer
    x = 13,031.43

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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.