Home / 25,259.60-34,880.28-15,844.40

Finding the Fourth Proportional to 25,259.60, 34,880.28 and 15,844.40

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Solution

The fourth proportional to 25,259.60, 34,880.28 and 15,844.40 is: 21,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.60 : 34,880.28 = 15,844.40 : x
  2. Step 2: Convert to fraction form
    25,259.60/34,880.28 = 15,844.40/x
  3. Step 3: Cross multiply
    25,259.60x = 34,880.28 × 15,844.40
  4. Step 4: Simplify right side
    25,259.60x = 552,657,108.43
  5. Step 5: Solve for x
    x = 552,657,108.43/25,259.60
  6. Step 6: Final answer
    x = 21,879.09

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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.