Home / 28,853.58-43,280.37-15,731.58

Finding the Fourth Proportional to 28,853.58, 43,280.37 and 15,731.58

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Solution

The fourth proportional to 28,853.58, 43,280.37 and 15,731.58 is: 23,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.58 : 43,280.37 = 15,731.58 : x
  2. Step 2: Convert to fraction form
    28,853.58/43,280.37 = 15,731.58/x
  3. Step 3: Cross multiply
    28,853.58x = 43,280.37 × 15,731.58
  4. Step 4: Simplify right side
    28,853.58x = 680,868,603.08
  5. Step 5: Solve for x
    x = 680,868,603.08/28,853.58
  6. Step 6: Final answer
    x = 23,597.37

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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.