Home / 28,368.86-39,064.50-27,739.46

Finding the Fourth Proportional to 28,368.86, 39,064.50 and 27,739.46

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Solution

The fourth proportional to 28,368.86, 39,064.50 and 27,739.46 is: 38,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.86 : 39,064.50 = 27,739.46 : x
  2. Step 2: Convert to fraction form
    28,368.86/39,064.50 = 27,739.46/x
  3. Step 3: Cross multiply
    28,368.86x = 39,064.50 × 27,739.46
  4. Step 4: Simplify right side
    28,368.86x = 1,083,627,939.85
  5. Step 5: Solve for x
    x = 1,083,627,939.85/28,368.86
  6. Step 6: Final answer
    x = 38,197.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.