Home / 27,709.05-41,569.42-8,987.63

Finding the Fourth Proportional to 27,709.05, 41,569.42 and 8,987.63

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Solution

The fourth proportional to 27,709.05, 41,569.42 and 8,987.63 is: 13,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.05 : 41,569.42 = 8,987.63 : x
  2. Step 2: Convert to fraction form
    27,709.05/41,569.42 = 8,987.63/x
  3. Step 3: Cross multiply
    27,709.05x = 41,569.42 × 8,987.63
  4. Step 4: Simplify right side
    27,709.05x = 373,610,521.34
  5. Step 5: Solve for x
    x = 373,610,521.34/27,709.05
  6. Step 6: Final answer
    x = 13,483.34

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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.