Home / 27,920.04-41,875.74-18,128.76

Finding the Fourth Proportional to 27,920.04, 41,875.74 and 18,128.76

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Solution

The fourth proportional to 27,920.04, 41,875.74 and 18,128.76 is: 27,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.04 : 41,875.74 = 18,128.76 : x
  2. Step 2: Convert to fraction form
    27,920.04/41,875.74 = 18,128.76/x
  3. Step 3: Cross multiply
    27,920.04x = 41,875.74 × 18,128.76
  4. Step 4: Simplify right side
    27,920.04x = 759,155,240.28
  5. Step 5: Solve for x
    x = 759,155,240.28/27,920.04
  6. Step 6: Final answer
    x = 27,190.33

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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.