Home / 27,911.34-38,518.36-15,164.39

Finding the Fourth Proportional to 27,911.34, 38,518.36 and 15,164.39

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Solution

The fourth proportional to 27,911.34, 38,518.36 and 15,164.39 is: 20,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.34 : 38,518.36 = 15,164.39 : x
  2. Step 2: Convert to fraction form
    27,911.34/38,518.36 = 15,164.39/x
  3. Step 3: Cross multiply
    27,911.34x = 38,518.36 × 15,164.39
  4. Step 4: Simplify right side
    27,911.34x = 584,107,347.14
  5. Step 5: Solve for x
    x = 584,107,347.14/27,911.34
  6. Step 6: Final answer
    x = 20,927.24

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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.