Home / 25,649.32-35,392.56-15,579.88

Finding the Fourth Proportional to 25,649.32, 35,392.56 and 15,579.88

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Solution

The fourth proportional to 25,649.32, 35,392.56 and 15,579.88 is: 21,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.32 : 35,392.56 = 15,579.88 : x
  2. Step 2: Convert to fraction form
    25,649.32/35,392.56 = 15,579.88/x
  3. Step 3: Cross multiply
    25,649.32x = 35,392.56 × 15,579.88
  4. Step 4: Simplify right side
    25,649.32x = 551,411,837.69
  5. Step 5: Solve for x
    x = 551,411,837.69/25,649.32
  6. Step 6: Final answer
    x = 21,498.11

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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.