Home / 28,801.89-39,751.70-22,878.77

Finding the Fourth Proportional to 28,801.89, 39,751.70 and 22,878.77

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Solution

The fourth proportional to 28,801.89, 39,751.70 and 22,878.77 is: 31,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.89 : 39,751.70 = 22,878.77 : x
  2. Step 2: Convert to fraction form
    28,801.89/39,751.70 = 22,878.77/x
  3. Step 3: Cross multiply
    28,801.89x = 39,751.70 × 22,878.77
  4. Step 4: Simplify right side
    28,801.89x = 909,469,688.26
  5. Step 5: Solve for x
    x = 909,469,688.26/28,801.89
  6. Step 6: Final answer
    x = 31,576.74

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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.