Home / 27,068.38-37,354.36-15,131.45

Finding the Fourth Proportional to 27,068.38, 37,354.36 and 15,131.45

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Solution

The fourth proportional to 27,068.38, 37,354.36 and 15,131.45 is: 20,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.38 : 37,354.36 = 15,131.45 : x
  2. Step 2: Convert to fraction form
    27,068.38/37,354.36 = 15,131.45/x
  3. Step 3: Cross multiply
    27,068.38x = 37,354.36 × 15,131.45
  4. Step 4: Simplify right side
    27,068.38x = 565,225,630.62
  5. Step 5: Solve for x
    x = 565,225,630.62/27,068.38
  6. Step 6: Final answer
    x = 20,881.40

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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.