Home / 31,210.25-46,927.76-28,774.85

Finding the Fourth Proportional to 31,210.25, 46,927.76 and 28,774.85

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Solution

The fourth proportional to 31,210.25, 46,927.76 and 28,774.85 is: 43,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.25 : 46,927.76 = 28,774.85 : x
  2. Step 2: Convert to fraction form
    31,210.25/46,927.76 = 28,774.85/x
  3. Step 3: Cross multiply
    31,210.25x = 46,927.76 × 28,774.85
  4. Step 4: Simplify right side
    31,210.25x = 1,350,338,876.32
  5. Step 5: Solve for x
    x = 1,350,338,876.32/31,210.25
  6. Step 6: Final answer
    x = 43,265.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.