Home / 25,825.18-35,627.70-19,126.48

Finding the Fourth Proportional to 25,825.18, 35,627.70 and 19,126.48

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Solution

The fourth proportional to 25,825.18, 35,627.70 and 19,126.48 is: 26,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.18 : 35,627.70 = 19,126.48 : x
  2. Step 2: Convert to fraction form
    25,825.18/35,627.70 = 19,126.48/x
  3. Step 3: Cross multiply
    25,825.18x = 35,627.70 × 19,126.48
  4. Step 4: Simplify right side
    25,825.18x = 681,432,491.50
  5. Step 5: Solve for x
    x = 681,432,491.50/25,825.18
  6. Step 6: Final answer
    x = 26,386.36

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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.