Home / 27,390.55-41,088.17-9,619.68

Finding the Fourth Proportional to 27,390.55, 41,088.17 and 9,619.68

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Solution

The fourth proportional to 27,390.55, 41,088.17 and 9,619.68 is: 14,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.55 : 41,088.17 = 9,619.68 : x
  2. Step 2: Convert to fraction form
    27,390.55/41,088.17 = 9,619.68/x
  3. Step 3: Cross multiply
    27,390.55x = 41,088.17 × 9,619.68
  4. Step 4: Simplify right side
    27,390.55x = 395,255,071.23
  5. Step 5: Solve for x
    x = 395,255,071.23/27,390.55
  6. Step 6: Final answer
    x = 14,430.35

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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.