Home / 27,628.86-38,127.84-15,053.64

Finding the Fourth Proportional to 27,628.86, 38,127.84 and 15,053.64

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Solution

The fourth proportional to 27,628.86, 38,127.84 and 15,053.64 is: 20,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.86 : 38,127.84 = 15,053.64 : x
  2. Step 2: Convert to fraction form
    27,628.86/38,127.84 = 15,053.64/x
  3. Step 3: Cross multiply
    27,628.86x = 38,127.84 × 15,053.64
  4. Step 4: Simplify right side
    27,628.86x = 573,962,777.34
  5. Step 5: Solve for x
    x = 573,962,777.34/27,628.86
  6. Step 6: Final answer
    x = 20,774.03

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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.