Home / 19,026.38-26,256.40-10,642.88

Finding the Fourth Proportional to 19,026.38, 26,256.40 and 10,642.88

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Solution

The fourth proportional to 19,026.38, 26,256.40 and 10,642.88 is: 14,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.38 : 26,256.40 = 10,642.88 : x
  2. Step 2: Convert to fraction form
    19,026.38/26,256.40 = 10,642.88/x
  3. Step 3: Cross multiply
    19,026.38x = 26,256.40 × 10,642.88
  4. Step 4: Simplify right side
    19,026.38x = 279,443,556.54
  5. Step 5: Solve for x
    x = 279,443,556.54/19,026.38
  6. Step 6: Final answer
    x = 14,687.17

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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.