Home / 35,626.12-53,409-15,620.45

Finding the Fourth Proportional to 35,626.12, 53,409 and 15,620.45

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Solution

The fourth proportional to 35,626.12, 53,409 and 15,620.45 is: 23,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.12 : 53,409 = 15,620.45 : x
  2. Step 2: Convert to fraction form
    35,626.12/53,409 = 15,620.45/x
  3. Step 3: Cross multiply
    35,626.12x = 53,409 × 15,620.45
  4. Step 4: Simplify right side
    35,626.12x = 834,272,747.57
  5. Step 5: Solve for x
    x = 834,272,747.57/35,626.12
  6. Step 6: Final answer
    x = 23,417.44

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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.