Home / 26,985.68-37,219.20-17,557.28

Finding the Fourth Proportional to 26,985.68, 37,219.20 and 17,557.28

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Solution

The fourth proportional to 26,985.68, 37,219.20 and 17,557.28 is: 24,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.68 : 37,219.20 = 17,557.28 : x
  2. Step 2: Convert to fraction form
    26,985.68/37,219.20 = 17,557.28/x
  3. Step 3: Cross multiply
    26,985.68x = 37,219.20 × 17,557.28
  4. Step 4: Simplify right side
    26,985.68x = 653,467,915.78
  5. Step 5: Solve for x
    x = 653,467,915.78/26,985.68
  6. Step 6: Final answer
    x = 24,215.36

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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.