Home / 27,653.19-38,161.80-15,077.94

Finding the Fourth Proportional to 27,653.19, 38,161.80 and 15,077.94

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Solution

The fourth proportional to 27,653.19, 38,161.80 and 15,077.94 is: 20,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.19 : 38,161.80 = 15,077.94 : x
  2. Step 2: Convert to fraction form
    27,653.19/38,161.80 = 15,077.94/x
  3. Step 3: Cross multiply
    27,653.19x = 38,161.80 × 15,077.94
  4. Step 4: Simplify right side
    27,653.19x = 575,401,330.69
  5. Step 5: Solve for x
    x = 575,401,330.69/27,653.19
  6. Step 6: Final answer
    x = 20,807.77

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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.