Home / 27,405.91-37,820.13-14,830.66

Finding the Fourth Proportional to 27,405.91, 37,820.13 and 14,830.66

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Solution

The fourth proportional to 27,405.91, 37,820.13 and 14,830.66 is: 20,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.91 : 37,820.13 = 14,830.66 : x
  2. Step 2: Convert to fraction form
    27,405.91/37,820.13 = 14,830.66/x
  3. Step 3: Cross multiply
    27,405.91x = 37,820.13 × 14,830.66
  4. Step 4: Simplify right side
    27,405.91x = 560,897,489.19
  5. Step 5: Solve for x
    x = 560,897,489.19/27,405.91
  6. Step 6: Final answer
    x = 20,466.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.