Home / 25,365.90-34,983.60-19,007.40

Finding the Fourth Proportional to 25,365.90, 34,983.60 and 19,007.40

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Solution

The fourth proportional to 25,365.90, 34,983.60 and 19,007.40 is: 26,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.90 : 34,983.60 = 19,007.40 : x
  2. Step 2: Convert to fraction form
    25,365.90/34,983.60 = 19,007.40/x
  3. Step 3: Cross multiply
    25,365.90x = 34,983.60 × 19,007.40
  4. Step 4: Simplify right side
    25,365.90x = 664,947,278.64
  5. Step 5: Solve for x
    x = 664,947,278.64/25,365.90
  6. Step 6: Final answer
    x = 26,214.22

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1.5x scale

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.