Home / 19,439.81-26,827.79-10,942.48

Finding the Fourth Proportional to 19,439.81, 26,827.79 and 10,942.48

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Solution

The fourth proportional to 19,439.81, 26,827.79 and 10,942.48 is: 15,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.81 : 26,827.79 = 10,942.48 : x
  2. Step 2: Convert to fraction form
    19,439.81/26,827.79 = 10,942.48/x
  3. Step 3: Cross multiply
    19,439.81x = 26,827.79 × 10,942.48
  4. Step 4: Simplify right side
    19,439.81x = 293,562,366.67
  5. Step 5: Solve for x
    x = 293,562,366.67/19,439.81
  6. Step 6: Final answer
    x = 15,101.10

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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.