Home / 25,564.96-38,330.88-9,984.16

Finding the Fourth Proportional to 25,564.96, 38,330.88 and 9,984.16

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Solution

The fourth proportional to 25,564.96, 38,330.88 and 9,984.16 is: 14,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.96 : 38,330.88 = 9,984.16 : x
  2. Step 2: Convert to fraction form
    25,564.96/38,330.88 = 9,984.16/x
  3. Step 3: Cross multiply
    25,564.96x = 38,330.88 × 9,984.16
  4. Step 4: Simplify right side
    25,564.96x = 382,701,638.86
  5. Step 5: Solve for x
    x = 382,701,638.86/25,564.96
  6. Step 6: Final answer
    x = 14,969.77

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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.