Home / 27,270.81-37,630.67-15,333.89

Finding the Fourth Proportional to 27,270.81, 37,630.67 and 15,333.89

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Solution

The fourth proportional to 27,270.81, 37,630.67 and 15,333.89 is: 21,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.81 : 37,630.67 = 15,333.89 : x
  2. Step 2: Convert to fraction form
    27,270.81/37,630.67 = 15,333.89/x
  3. Step 3: Cross multiply
    27,270.81x = 37,630.67 × 15,333.89
  4. Step 4: Simplify right side
    27,270.81x = 577,024,289.58
  5. Step 5: Solve for x
    x = 577,024,289.58/27,270.81
  6. Step 6: Final answer
    x = 21,159.04

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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.