Home / 27,689.36-41,509.34-10,155.12

Finding the Fourth Proportional to 27,689.36, 41,509.34 and 10,155.12

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Solution

The fourth proportional to 27,689.36, 41,509.34 and 10,155.12 is: 15,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.36 : 41,509.34 = 10,155.12 : x
  2. Step 2: Convert to fraction form
    27,689.36/41,509.34 = 10,155.12/x
  3. Step 3: Cross multiply
    27,689.36x = 41,509.34 × 10,155.12
  4. Step 4: Simplify right side
    27,689.36x = 421,532,328.82
  5. Step 5: Solve for x
    x = 421,532,328.82/27,689.36
  6. Step 6: Final answer
    x = 15,223.62

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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.