Home / 19,324.40-26,656.44-10,939.28

Finding the Fourth Proportional to 19,324.40, 26,656.44 and 10,939.28

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Solution

The fourth proportional to 19,324.40, 26,656.44 and 10,939.28 is: 15,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.40 : 26,656.44 = 10,939.28 : x
  2. Step 2: Convert to fraction form
    19,324.40/26,656.44 = 10,939.28/x
  3. Step 3: Cross multiply
    19,324.40x = 26,656.44 × 10,939.28
  4. Step 4: Simplify right side
    19,324.40x = 291,602,260.96
  5. Step 5: Solve for x
    x = 291,602,260.96/19,324.40
  6. Step 6: Final answer
    x = 15,089.85

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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.