Home / 28,412.01-42,630.32-15,249.02

Finding the Fourth Proportional to 28,412.01, 42,630.32 and 15,249.02

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Solution

The fourth proportional to 28,412.01, 42,630.32 and 15,249.02 is: 22,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.01 : 42,630.32 = 15,249.02 : x
  2. Step 2: Convert to fraction form
    28,412.01/42,630.32 = 15,249.02/x
  3. Step 3: Cross multiply
    28,412.01x = 42,630.32 × 15,249.02
  4. Step 4: Simplify right side
    28,412.01x = 650,070,312.89
  5. Step 5: Solve for x
    x = 650,070,312.89/28,412.01
  6. Step 6: Final answer
    x = 22,880.12

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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.