Home / 25,976.16-35,845.04-15,900.40

Finding the Fourth Proportional to 25,976.16, 35,845.04 and 15,900.40

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Solution

The fourth proportional to 25,976.16, 35,845.04 and 15,900.40 is: 21,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.16 : 35,845.04 = 15,900.40 : x
  2. Step 2: Convert to fraction form
    25,976.16/35,845.04 = 15,900.40/x
  3. Step 3: Cross multiply
    25,976.16x = 35,845.04 × 15,900.40
  4. Step 4: Simplify right side
    25,976.16x = 569,950,474.02
  5. Step 5: Solve for x
    x = 569,950,474.02/25,976.16
  6. Step 6: Final answer
    x = 21,941.29

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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.