Home / 28,554.22-39,412.80-16,619.86

Finding the Fourth Proportional to 28,554.22, 39,412.80 and 16,619.86

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Solution

The fourth proportional to 28,554.22, 39,412.80 and 16,619.86 is: 22,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.22 : 39,412.80 = 16,619.86 : x
  2. Step 2: Convert to fraction form
    28,554.22/39,412.80 = 16,619.86/x
  3. Step 3: Cross multiply
    28,554.22x = 39,412.80 × 16,619.86
  4. Step 4: Simplify right side
    28,554.22x = 655,035,218.21
  5. Step 5: Solve for x
    x = 655,035,218.21/28,554.22
  6. Step 6: Final answer
    x = 22,940.05

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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.