Home / 35,988.75-53,970.12-15,213.87

Finding the Fourth Proportional to 35,988.75, 53,970.12 and 15,213.87

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Solution

The fourth proportional to 35,988.75, 53,970.12 and 15,213.87 is: 22,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.75 : 53,970.12 = 15,213.87 : x
  2. Step 2: Convert to fraction form
    35,988.75/53,970.12 = 15,213.87/x
  3. Step 3: Cross multiply
    35,988.75x = 53,970.12 × 15,213.87
  4. Step 4: Simplify right side
    35,988.75x = 821,094,389.56
  5. Step 5: Solve for x
    x = 821,094,389.56/35,988.75
  6. Step 6: Final answer
    x = 22,815.31

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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.