Home / 27,421.05-41,128.32-7,701.33

Finding the Fourth Proportional to 27,421.05, 41,128.32 and 7,701.33

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Solution

The fourth proportional to 27,421.05, 41,128.32 and 7,701.33 is: 11,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.05 : 41,128.32 = 7,701.33 : x
  2. Step 2: Convert to fraction form
    27,421.05/41,128.32 = 7,701.33/x
  3. Step 3: Cross multiply
    27,421.05x = 41,128.32 × 7,701.33
  4. Step 4: Simplify right side
    27,421.05x = 316,742,764.67
  5. Step 5: Solve for x
    x = 316,742,764.67/27,421.05
  6. Step 6: Final answer
    x = 11,551.08

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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.