Home / 19,729.95-27,226.88-10,777.47

Finding the Fourth Proportional to 19,729.95, 27,226.88 and 10,777.47

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Solution

The fourth proportional to 19,729.95, 27,226.88 and 10,777.47 is: 14,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.95 : 27,226.88 = 10,777.47 : x
  2. Step 2: Convert to fraction form
    19,729.95/27,226.88 = 10,777.47/x
  3. Step 3: Cross multiply
    19,729.95x = 27,226.88 × 10,777.47
  4. Step 4: Simplify right side
    19,729.95x = 293,436,828.51
  5. Step 5: Solve for x
    x = 293,436,828.51/19,729.95
  6. Step 6: Final answer
    x = 14,872.66

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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.