Home / 28,657.53-42,970.30-22,772.07

Finding the Fourth Proportional to 28,657.53, 42,970.30 and 22,772.07

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Solution

The fourth proportional to 28,657.53, 42,970.30 and 22,772.07 is: 34,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.53 : 42,970.30 = 22,772.07 : x
  2. Step 2: Convert to fraction form
    28,657.53/42,970.30 = 22,772.07/x
  3. Step 3: Cross multiply
    28,657.53x = 42,970.30 × 22,772.07
  4. Step 4: Simplify right side
    28,657.53x = 978,522,622.59
  5. Step 5: Solve for x
    x = 978,522,622.59/28,657.53
  6. Step 6: Final answer
    x = 34,145.39

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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.