Home / 29,557.26-40,788.88-16,128.47

Finding the Fourth Proportional to 29,557.26, 40,788.88 and 16,128.47

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Solution

The fourth proportional to 29,557.26, 40,788.88 and 16,128.47 is: 22,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.26 : 40,788.88 = 16,128.47 : x
  2. Step 2: Convert to fraction form
    29,557.26/40,788.88 = 16,128.47/x
  3. Step 3: Cross multiply
    29,557.26x = 40,788.88 × 16,128.47
  4. Step 4: Simplify right side
    29,557.26x = 657,862,289.06
  5. Step 5: Solve for x
    x = 657,862,289.06/29,557.26
  6. Step 6: Final answer
    x = 22,257.21

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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.