Home / 27,270.96-37,631.70-15,332.05

Finding the Fourth Proportional to 27,270.96, 37,631.70 and 15,332.05

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Solution

The fourth proportional to 27,270.96, 37,631.70 and 15,332.05 is: 21,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.96 : 37,631.70 = 15,332.05 : x
  2. Step 2: Convert to fraction form
    27,270.96/37,631.70 = 15,332.05/x
  3. Step 3: Cross multiply
    27,270.96x = 37,631.70 × 15,332.05
  4. Step 4: Simplify right side
    27,270.96x = 576,971,105.99
  5. Step 5: Solve for x
    x = 576,971,105.99/27,270.96
  6. Step 6: Final answer
    x = 21,156.98

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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.