Home / 28,322.30-42,483.45-15,200.30

Finding the Fourth Proportional to 28,322.30, 42,483.45 and 15,200.30

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Solution

The fourth proportional to 28,322.30, 42,483.45 and 15,200.30 is: 22,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.30 : 42,483.45 = 15,200.30 : x
  2. Step 2: Convert to fraction form
    28,322.30/42,483.45 = 15,200.30/x
  3. Step 3: Cross multiply
    28,322.30x = 42,483.45 × 15,200.30
  4. Step 4: Simplify right side
    28,322.30x = 645,761,185.04
  5. Step 5: Solve for x
    x = 645,761,185.04/28,322.30
  6. Step 6: Final answer
    x = 22,800.45

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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.