Home / 25,355.56-34,984.74-15,281.32

Finding the Fourth Proportional to 25,355.56, 34,984.74 and 15,281.32

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Solution

The fourth proportional to 25,355.56, 34,984.74 and 15,281.32 is: 21,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.56 : 34,984.74 = 15,281.32 : x
  2. Step 2: Convert to fraction form
    25,355.56/34,984.74 = 15,281.32/x
  3. Step 3: Cross multiply
    25,355.56x = 34,984.74 × 15,281.32
  4. Step 4: Simplify right side
    25,355.56x = 534,613,007.06
  5. Step 5: Solve for x
    x = 534,613,007.06/25,355.56
  6. Step 6: Final answer
    x = 21,084.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.