Home / 19,775.77-27,289.89-10,823.08

Finding the Fourth Proportional to 19,775.77, 27,289.89 and 10,823.08

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Solution

The fourth proportional to 19,775.77, 27,289.89 and 10,823.08 is: 14,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.77 : 27,289.89 = 10,823.08 : x
  2. Step 2: Convert to fraction form
    19,775.77/27,289.89 = 10,823.08/x
  3. Step 3: Cross multiply
    19,775.77x = 27,289.89 × 10,823.08
  4. Step 4: Simplify right side
    19,775.77x = 295,360,722.03
  5. Step 5: Solve for x
    x = 295,360,722.03/19,775.77
  6. Step 6: Final answer
    x = 14,935.49

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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.