Home / 28,063.90-38,696.77-22,943.45

Finding the Fourth Proportional to 28,063.90, 38,696.77 and 22,943.45

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Solution

The fourth proportional to 28,063.90, 38,696.77 and 22,943.45 is: 31,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.90 : 38,696.77 = 22,943.45 : x
  2. Step 2: Convert to fraction form
    28,063.90/38,696.77 = 22,943.45/x
  3. Step 3: Cross multiply
    28,063.90x = 38,696.77 × 22,943.45
  4. Step 4: Simplify right side
    28,063.90x = 887,837,533.08
  5. Step 5: Solve for x
    x = 887,837,533.08/28,063.90
  6. Step 6: Final answer
    x = 31,636.28

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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.