Home / 28,530.01-42,778.81-23,878.99

Finding the Fourth Proportional to 28,530.01, 42,778.81 and 23,878.99

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Solution

The fourth proportional to 28,530.01, 42,778.81 and 23,878.99 is: 35,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530.01 : 42,778.81 = 23,878.99 : x
  2. Step 2: Convert to fraction form
    28,530.01/42,778.81 = 23,878.99/x
  3. Step 3: Cross multiply
    28,530.01x = 42,778.81 × 23,878.99
  4. Step 4: Simplify right side
    28,530.01x = 1,021,514,776.20
  5. Step 5: Solve for x
    x = 1,021,514,776.20/28,530.01
  6. Step 6: Final answer
    x = 35,804.92

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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.