Home / 28,802.93-39,766.17-22,075.88

Finding the Fourth Proportional to 28,802.93, 39,766.17 and 22,075.88

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Solution

The fourth proportional to 28,802.93, 39,766.17 and 22,075.88 is: 30,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.93 : 39,766.17 = 22,075.88 : x
  2. Step 2: Convert to fraction form
    28,802.93/39,766.17 = 22,075.88/x
  3. Step 3: Cross multiply
    28,802.93x = 39,766.17 × 22,075.88
  4. Step 4: Simplify right side
    28,802.93x = 877,873,196.98
  5. Step 5: Solve for x
    x = 877,873,196.98/28,802.93
  6. Step 6: Final answer
    x = 30,478.61

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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.