Home / 42,878.15-59,152.09-27,775.83

Finding the Fourth Proportional to 42,878.15, 59,152.09 and 27,775.83

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Solution

The fourth proportional to 42,878.15, 59,152.09 and 27,775.83 is: 38,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878.15 : 59,152.09 = 27,775.83 : x
  2. Step 2: Convert to fraction form
    42,878.15/59,152.09 = 27,775.83/x
  3. Step 3: Cross multiply
    42,878.15x = 59,152.09 × 27,775.83
  4. Step 4: Simplify right side
    42,878.15x = 1,642,998,395.98
  5. Step 5: Solve for x
    x = 1,642,998,395.98/42,878.15
  6. Step 6: Final answer
    x = 38,317.85

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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.