Home / 27,088.48-40,632.24-8,620

Finding the Fourth Proportional to 27,088.48, 40,632.24 and 8,620

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Solution

The fourth proportional to 27,088.48, 40,632.24 and 8,620 is: 12,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.48 : 40,632.24 = 8,620 : x
  2. Step 2: Convert to fraction form
    27,088.48/40,632.24 = 8,620/x
  3. Step 3: Cross multiply
    27,088.48x = 40,632.24 × 8,620
  4. Step 4: Simplify right side
    27,088.48x = 350,249,908.80
  5. Step 5: Solve for x
    x = 350,249,908.80/27,088.48
  6. Step 6: Final answer
    x = 12,929.85

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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.