Home / 28,094.40-38,778.08-16,161.57

Finding the Fourth Proportional to 28,094.40, 38,778.08 and 16,161.57

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Solution

The fourth proportional to 28,094.40, 38,778.08 and 16,161.57 is: 22,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.40 : 38,778.08 = 16,161.57 : x
  2. Step 2: Convert to fraction form
    28,094.40/38,778.08 = 16,161.57/x
  3. Step 3: Cross multiply
    28,094.40x = 38,778.08 × 16,161.57
  4. Step 4: Simplify right side
    28,094.40x = 626,714,573.58
  5. Step 5: Solve for x
    x = 626,714,573.58/28,094.40
  6. Step 6: Final answer
    x = 22,307.46

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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.