Home / 27,209.63-40,827-12,423.08

Finding the Fourth Proportional to 27,209.63, 40,827 and 12,423.08

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Solution

The fourth proportional to 27,209.63, 40,827 and 12,423.08 is: 18,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.63 : 40,827 = 12,423.08 : x
  2. Step 2: Convert to fraction form
    27,209.63/40,827 = 12,423.08/x
  3. Step 3: Cross multiply
    27,209.63x = 40,827 × 12,423.08
  4. Step 4: Simplify right side
    27,209.63x = 507,197,087.16
  5. Step 5: Solve for x
    x = 507,197,087.16/27,209.63
  6. Step 6: Final answer
    x = 18,640.35

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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.