Home / 20,261.76-27,964.06-14,615.22

Finding the Fourth Proportional to 20,261.76, 27,964.06 and 14,615.22

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Solution

The fourth proportional to 20,261.76, 27,964.06 and 14,615.22 is: 20,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.76 : 27,964.06 = 14,615.22 : x
  2. Step 2: Convert to fraction form
    20,261.76/27,964.06 = 14,615.22/x
  3. Step 3: Cross multiply
    20,261.76x = 27,964.06 × 14,615.22
  4. Step 4: Simplify right side
    20,261.76x = 408,700,888.99
  5. Step 5: Solve for x
    x = 408,700,888.99/20,261.76
  6. Step 6: Final answer
    x = 20,171.05

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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.