Home / 28,292.24-42,427.40-9,567.28

Finding the Fourth Proportional to 28,292.24, 42,427.40 and 9,567.28

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Solution

The fourth proportional to 28,292.24, 42,427.40 and 9,567.28 is: 14,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.24 : 42,427.40 = 9,567.28 : x
  2. Step 2: Convert to fraction form
    28,292.24/42,427.40 = 9,567.28/x
  3. Step 3: Cross multiply
    28,292.24x = 42,427.40 × 9,567.28
  4. Step 4: Simplify right side
    28,292.24x = 405,914,815.47
  5. Step 5: Solve for x
    x = 405,914,815.47/28,292.24
  6. Step 6: Final answer
    x = 14,347.21

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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.