Home / 27,737.20-38,276.44-15,803.47

Finding the Fourth Proportional to 27,737.20, 38,276.44 and 15,803.47

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Solution

The fourth proportional to 27,737.20, 38,276.44 and 15,803.47 is: 21,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.20 : 38,276.44 = 15,803.47 : x
  2. Step 2: Convert to fraction form
    27,737.20/38,276.44 = 15,803.47/x
  3. Step 3: Cross multiply
    27,737.20x = 38,276.44 × 15,803.47
  4. Step 4: Simplify right side
    27,737.20x = 604,900,571.25
  5. Step 5: Solve for x
    x = 604,900,571.25/27,737.20
  6. Step 6: Final answer
    x = 21,808.28

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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.