Home / 27,088.10-40,632.15-19,657.70

Finding the Fourth Proportional to 27,088.10, 40,632.15 and 19,657.70

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Solution

The fourth proportional to 27,088.10, 40,632.15 and 19,657.70 is: 29,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.10 : 40,632.15 = 19,657.70 : x
  2. Step 2: Convert to fraction form
    27,088.10/40,632.15 = 19,657.70/x
  3. Step 3: Cross multiply
    27,088.10x = 40,632.15 × 19,657.70
  4. Step 4: Simplify right side
    27,088.10x = 798,734,615.06
  5. Step 5: Solve for x
    x = 798,734,615.06/27,088.10
  6. Step 6: Final answer
    x = 29,486.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.