Home / 28,244.75-42,315.48-13,224.31

Finding the Fourth Proportional to 28,244.75, 42,315.48 and 13,224.31

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Solution

The fourth proportional to 28,244.75, 42,315.48 and 13,224.31 is: 19,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.75 : 42,315.48 = 13,224.31 : x
  2. Step 2: Convert to fraction form
    28,244.75/42,315.48 = 13,224.31/x
  3. Step 3: Cross multiply
    28,244.75x = 42,315.48 × 13,224.31
  4. Step 4: Simplify right side
    28,244.75x = 559,592,919.53
  5. Step 5: Solve for x
    x = 559,592,919.53/28,244.75
  6. Step 6: Final answer
    x = 19,812.28

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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.