Home / 19,729.02-27,226.70-10,777.35

Finding the Fourth Proportional to 19,729.02, 27,226.70 and 10,777.35

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Solution

The fourth proportional to 19,729.02, 27,226.70 and 10,777.35 is: 14,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.02 : 27,226.70 = 10,777.35 : x
  2. Step 2: Convert to fraction form
    19,729.02/27,226.70 = 10,777.35/x
  3. Step 3: Cross multiply
    19,729.02x = 27,226.70 × 10,777.35
  4. Step 4: Simplify right side
    19,729.02x = 293,431,621.36
  5. Step 5: Solve for x
    x = 293,431,621.36/19,729.02
  6. Step 6: Final answer
    x = 14,873.10

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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.