Home / 27,929.37-38,541.56-15,354.03

Finding the Fourth Proportional to 27,929.37, 38,541.56 and 15,354.03

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Solution

The fourth proportional to 27,929.37, 38,541.56 and 15,354.03 is: 21,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.37 : 38,541.56 = 15,354.03 : x
  2. Step 2: Convert to fraction form
    27,929.37/38,541.56 = 15,354.03/x
  3. Step 3: Cross multiply
    27,929.37x = 38,541.56 × 15,354.03
  4. Step 4: Simplify right side
    27,929.37x = 591,768,191.72
  5. Step 5: Solve for x
    x = 591,768,191.72/27,929.37
  6. Step 6: Final answer
    x = 21,188.03

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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.