Home / 35,412.20-53,093.70-15,680

Finding the Fourth Proportional to 35,412.20, 53,093.70 and 15,680

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Solution

The fourth proportional to 35,412.20, 53,093.70 and 15,680 is: 23,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.20 : 53,093.70 = 15,680 : x
  2. Step 2: Convert to fraction form
    35,412.20/53,093.70 = 15,680/x
  3. Step 3: Cross multiply
    35,412.20x = 53,093.70 × 15,680
  4. Step 4: Simplify right side
    35,412.20x = 832,509,216
  5. Step 5: Solve for x
    x = 832,509,216/35,412.20
  6. Step 6: Final answer
    x = 23,509.11

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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.