Home / 19,727.50-27,223.81-10,775.01

Finding the Fourth Proportional to 19,727.50, 27,223.81 and 10,775.01

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Solution

The fourth proportional to 19,727.50, 27,223.81 and 10,775.01 is: 14,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.50 : 27,223.81 = 10,775.01 : x
  2. Step 2: Convert to fraction form
    19,727.50/27,223.81 = 10,775.01/x
  3. Step 3: Cross multiply
    19,727.50x = 27,223.81 × 10,775.01
  4. Step 4: Simplify right side
    19,727.50x = 293,336,824.99
  5. Step 5: Solve for x
    x = 293,336,824.99/19,727.50
  6. Step 6: Final answer
    x = 14,869.44

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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.