Home / 28,907.66-43,328.46-13,124.72

Finding the Fourth Proportional to 28,907.66, 43,328.46 and 13,124.72

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Solution

The fourth proportional to 28,907.66, 43,328.46 and 13,124.72 is: 19,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.66 : 43,328.46 = 13,124.72 : x
  2. Step 2: Convert to fraction form
    28,907.66/43,328.46 = 13,124.72/x
  3. Step 3: Cross multiply
    28,907.66x = 43,328.46 × 13,124.72
  4. Step 4: Simplify right side
    28,907.66x = 568,673,905.53
  5. Step 5: Solve for x
    x = 568,673,905.53/28,907.66
  6. Step 6: Final answer
    x = 19,672.08

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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.