Home / 25,318.47-38,001.54-12,847.45

Finding the Fourth Proportional to 25,318.47, 38,001.54 and 12,847.45

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Solution

The fourth proportional to 25,318.47, 38,001.54 and 12,847.45 is: 19,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.47 : 38,001.54 = 12,847.45 : x
  2. Step 2: Convert to fraction form
    25,318.47/38,001.54 = 12,847.45/x
  3. Step 3: Cross multiply
    25,318.47x = 38,001.54 × 12,847.45
  4. Step 4: Simplify right side
    25,318.47x = 488,222,885.07
  5. Step 5: Solve for x
    x = 488,222,885.07/25,318.47
  6. Step 6: Final answer
    x = 19,283.27

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1.5x scale

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.