Home / 19,739.41-27,240.74-10,787.29

Finding the Fourth Proportional to 19,739.41, 27,240.74 and 10,787.29

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Solution

The fourth proportional to 19,739.41, 27,240.74 and 10,787.29 is: 14,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.41 : 27,240.74 = 10,787.29 : x
  2. Step 2: Convert to fraction form
    19,739.41/27,240.74 = 10,787.29/x
  3. Step 3: Cross multiply
    19,739.41x = 27,240.74 × 10,787.29
  4. Step 4: Simplify right side
    19,739.41x = 293,853,680.61
  5. Step 5: Solve for x
    x = 293,853,680.61/19,739.41
  6. Step 6: Final answer
    x = 14,886.65

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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.