Home / 28,750.14-39,670.02-16,484.58

Finding the Fourth Proportional to 28,750.14, 39,670.02 and 16,484.58

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Solution

The fourth proportional to 28,750.14, 39,670.02 and 16,484.58 is: 22,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.14 : 39,670.02 = 16,484.58 : x
  2. Step 2: Convert to fraction form
    28,750.14/39,670.02 = 16,484.58/x
  3. Step 3: Cross multiply
    28,750.14x = 39,670.02 × 16,484.58
  4. Step 4: Simplify right side
    28,750.14x = 653,943,618.29
  5. Step 5: Solve for x
    x = 653,943,618.29/28,750.14
  6. Step 6: Final answer
    x = 22,745.75

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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.