Home / 19,377.78-29,042.30-10,492.76

Finding the Fourth Proportional to 19,377.78, 29,042.30 and 10,492.76

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Solution

The fourth proportional to 19,377.78, 29,042.30 and 10,492.76 is: 15,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.78 : 29,042.30 = 10,492.76 : x
  2. Step 2: Convert to fraction form
    19,377.78/29,042.30 = 10,492.76/x
  3. Step 3: Cross multiply
    19,377.78x = 29,042.30 × 10,492.76
  4. Step 4: Simplify right side
    19,377.78x = 304,733,686.07
  5. Step 5: Solve for x
    x = 304,733,686.07/19,377.78
  6. Step 6: Final answer
    x = 15,725.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.