Home / 19,739.65-27,239.55-10,787.22

Finding the Fourth Proportional to 19,739.65, 27,239.55 and 10,787.22

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Solution

The fourth proportional to 19,739.65, 27,239.55 and 10,787.22 is: 14,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.65 : 27,239.55 = 10,787.22 : x
  2. Step 2: Convert to fraction form
    19,739.65/27,239.55 = 10,787.22/x
  3. Step 3: Cross multiply
    19,739.65x = 27,239.55 × 10,787.22
  4. Step 4: Simplify right side
    19,739.65x = 293,838,882.35
  5. Step 5: Solve for x
    x = 293,838,882.35/19,739.65
  6. Step 6: Final answer
    x = 14,885.72

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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.