Home / 28,855.53-43,296.26-15,688.17

Finding the Fourth Proportional to 28,855.53, 43,296.26 and 15,688.17

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Solution

The fourth proportional to 28,855.53, 43,296.26 and 15,688.17 is: 23,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.53 : 43,296.26 = 15,688.17 : x
  2. Step 2: Convert to fraction form
    28,855.53/43,296.26 = 15,688.17/x
  3. Step 3: Cross multiply
    28,855.53x = 43,296.26 × 15,688.17
  4. Step 4: Simplify right side
    28,855.53x = 679,239,008.80
  5. Step 5: Solve for x
    x = 679,239,008.80/28,855.53
  6. Step 6: Final answer
    x = 23,539.30

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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.