Home / 28,656.99-42,985.26-15,592.41

Finding the Fourth Proportional to 28,656.99, 42,985.26 and 15,592.41

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Solution

The fourth proportional to 28,656.99, 42,985.26 and 15,592.41 is: 23,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.99 : 42,985.26 = 15,592.41 : x
  2. Step 2: Convert to fraction form
    28,656.99/42,985.26 = 15,592.41/x
  3. Step 3: Cross multiply
    28,656.99x = 42,985.26 × 15,592.41
  4. Step 4: Simplify right side
    28,656.99x = 670,243,797.88
  5. Step 5: Solve for x
    x = 670,243,797.88/28,656.99
  6. Step 6: Final answer
    x = 23,388.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.