Home / 28,779.30-42,914.75-25,283.61

Finding the Fourth Proportional to 28,779.30, 42,914.75 and 25,283.61

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Solution

The fourth proportional to 28,779.30, 42,914.75 and 25,283.61 is: 37,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.30 : 42,914.75 = 25,283.61 : x
  2. Step 2: Convert to fraction form
    28,779.30/42,914.75 = 25,283.61/x
  3. Step 3: Cross multiply
    28,779.30x = 42,914.75 × 25,283.61
  4. Step 4: Simplify right side
    28,779.30x = 1,085,039,675.83
  5. Step 5: Solve for x
    x = 1,085,039,675.83/28,779.30
  6. Step 6: Final answer
    x = 37,702.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.