Home / 28,292.31-42,437.39-9,573.75

Finding the Fourth Proportional to 28,292.31, 42,437.39 and 9,573.75

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Solution

The fourth proportional to 28,292.31, 42,437.39 and 9,573.75 is: 14,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.31 : 42,437.39 = 9,573.75 : x
  2. Step 2: Convert to fraction form
    28,292.31/42,437.39 = 9,573.75/x
  3. Step 3: Cross multiply
    28,292.31x = 42,437.39 × 9,573.75
  4. Step 4: Simplify right side
    28,292.31x = 406,284,914.64
  5. Step 5: Solve for x
    x = 406,284,914.64/28,292.31
  6. Step 6: Final answer
    x = 14,360.26

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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.