Home / 28,419.22-39,218.88-16,483.06

Finding the Fourth Proportional to 28,419.22, 39,218.88 and 16,483.06

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Solution

The fourth proportional to 28,419.22, 39,218.88 and 16,483.06 is: 22,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419.22 : 39,218.88 = 16,483.06 : x
  2. Step 2: Convert to fraction form
    28,419.22/39,218.88 = 16,483.06/x
  3. Step 3: Cross multiply
    28,419.22x = 39,218.88 × 16,483.06
  4. Step 4: Simplify right side
    28,419.22x = 646,447,152.17
  5. Step 5: Solve for x
    x = 646,447,152.17/28,419.22
  6. Step 6: Final answer
    x = 22,746.83

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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.