Home / 28,412.08-42,630.41-15,249.07

Finding the Fourth Proportional to 28,412.08, 42,630.41 and 15,249.07

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Solution

The fourth proportional to 28,412.08, 42,630.41 and 15,249.07 is: 22,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.08 : 42,630.41 = 15,249.07 : x
  2. Step 2: Convert to fraction form
    28,412.08/42,630.41 = 15,249.07/x
  3. Step 3: Cross multiply
    28,412.08x = 42,630.41 × 15,249.07
  4. Step 4: Simplify right side
    28,412.08x = 650,074,106.22
  5. Step 5: Solve for x
    x = 650,074,106.22/28,412.08
  6. Step 6: Final answer
    x = 22,880.20

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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.