Home / 28,005.14-38,625.75-19,037.53

Finding the Fourth Proportional to 28,005.14, 38,625.75 and 19,037.53

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Solution

The fourth proportional to 28,005.14, 38,625.75 and 19,037.53 is: 26,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.14 : 38,625.75 = 19,037.53 : x
  2. Step 2: Convert to fraction form
    28,005.14/38,625.75 = 19,037.53/x
  3. Step 3: Cross multiply
    28,005.14x = 38,625.75 × 19,037.53
  4. Step 4: Simplify right side
    28,005.14x = 735,338,777.83
  5. Step 5: Solve for x
    x = 735,338,777.83/28,005.14
  6. Step 6: Final answer
    x = 26,257.28

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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.