Home / 22,006.08-30,326.40-15,707.52

Finding the Fourth Proportional to 22,006.08, 30,326.40 and 15,707.52

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Solution

The fourth proportional to 22,006.08, 30,326.40 and 15,707.52 is: 21,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.08 : 30,326.40 = 15,707.52 : x
  2. Step 2: Convert to fraction form
    22,006.08/30,326.40 = 15,707.52/x
  3. Step 3: Cross multiply
    22,006.08x = 30,326.40 × 15,707.52
  4. Step 4: Simplify right side
    22,006.08x = 476,352,534.53
  5. Step 5: Solve for x
    x = 476,352,534.53/22,006.08
  6. Step 6: Final answer
    x = 21,646.41

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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.