Home / 28,880.80-43,314.72-13,283.44

Finding the Fourth Proportional to 28,880.80, 43,314.72 and 13,283.44

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Solution

The fourth proportional to 28,880.80, 43,314.72 and 13,283.44 is: 19,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.80 : 43,314.72 = 13,283.44 : x
  2. Step 2: Convert to fraction form
    28,880.80/43,314.72 = 13,283.44/x
  3. Step 3: Cross multiply
    28,880.80x = 43,314.72 × 13,283.44
  4. Step 4: Simplify right side
    28,880.80x = 575,368,484.24
  5. Step 5: Solve for x
    x = 575,368,484.24/28,880.80
  6. Step 6: Final answer
    x = 19,922.18

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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.