Home / 19,728.33-27,224.90-10,775.81

Finding the Fourth Proportional to 19,728.33, 27,224.90 and 10,775.81

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Solution

The fourth proportional to 19,728.33, 27,224.90 and 10,775.81 is: 14,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.33 : 27,224.90 = 10,775.81 : x
  2. Step 2: Convert to fraction form
    19,728.33/27,224.90 = 10,775.81/x
  3. Step 3: Cross multiply
    19,728.33x = 27,224.90 × 10,775.81
  4. Step 4: Simplify right side
    19,728.33x = 293,370,159.67
  5. Step 5: Solve for x
    x = 293,370,159.67/19,728.33
  6. Step 6: Final answer
    x = 14,870.50

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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.