Home / 28,592.97-42,918.51-13,814.32

Finding the Fourth Proportional to 28,592.97, 42,918.51 and 13,814.32

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Solution

The fourth proportional to 28,592.97, 42,918.51 and 13,814.32 is: 20,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.97 : 42,918.51 = 13,814.32 : x
  2. Step 2: Convert to fraction form
    28,592.97/42,918.51 = 13,814.32/x
  3. Step 3: Cross multiply
    28,592.97x = 42,918.51 × 13,814.32
  4. Step 4: Simplify right side
    28,592.97x = 592,890,099.05
  5. Step 5: Solve for x
    x = 592,890,099.05/28,592.97
  6. Step 6: Final answer
    x = 20,735.52

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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.