Home / 28,259.01-42,321.15-15,748.02

Finding the Fourth Proportional to 28,259.01, 42,321.15 and 15,748.02

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Solution

The fourth proportional to 28,259.01, 42,321.15 and 15,748.02 is: 23,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.01 : 42,321.15 = 15,748.02 : x
  2. Step 2: Convert to fraction form
    28,259.01/42,321.15 = 15,748.02/x
  3. Step 3: Cross multiply
    28,259.01x = 42,321.15 × 15,748.02
  4. Step 4: Simplify right side
    28,259.01x = 666,474,316.62
  5. Step 5: Solve for x
    x = 666,474,316.62/28,259.01
  6. Step 6: Final answer
    x = 23,584.49

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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.