Home / 19,329.08-26,695.17-15,564.74

Finding the Fourth Proportional to 19,329.08, 26,695.17 and 15,564.74

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Solution

The fourth proportional to 19,329.08, 26,695.17 and 15,564.74 is: 21,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.08 : 26,695.17 = 15,564.74 : x
  2. Step 2: Convert to fraction form
    19,329.08/26,695.17 = 15,564.74/x
  3. Step 3: Cross multiply
    19,329.08x = 26,695.17 × 15,564.74
  4. Step 4: Simplify right side
    19,329.08x = 415,503,246.83
  5. Step 5: Solve for x
    x = 415,503,246.83/19,329.08
  6. Step 6: Final answer
    x = 21,496.28

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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.