Home / 27,267.98-37,628.84-15,168.40

Finding the Fourth Proportional to 27,267.98, 37,628.84 and 15,168.40

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Solution

The fourth proportional to 27,267.98, 37,628.84 and 15,168.40 is: 20,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,267.98 : 37,628.84 = 15,168.40 : x
  2. Step 2: Convert to fraction form
    27,267.98/37,628.84 = 15,168.40/x
  3. Step 3: Cross multiply
    27,267.98x = 37,628.84 × 15,168.40
  4. Step 4: Simplify right side
    27,267.98x = 570,769,296.66
  5. Step 5: Solve for x
    x = 570,769,296.66/27,267.98
  6. Step 6: Final answer
    x = 20,931.85

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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.