Home / 28,097.28-38,775.12-16,164.48

Finding the Fourth Proportional to 28,097.28, 38,775.12 and 16,164.48

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Solution

The fourth proportional to 28,097.28, 38,775.12 and 16,164.48 is: 22,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.28 : 38,775.12 = 16,164.48 : x
  2. Step 2: Convert to fraction form
    28,097.28/38,775.12 = 16,164.48/x
  3. Step 3: Cross multiply
    28,097.28x = 38,775.12 × 16,164.48
  4. Step 4: Simplify right side
    28,097.28x = 626,779,651.74
  5. Step 5: Solve for x
    x = 626,779,651.74/28,097.28
  6. Step 6: Final answer
    x = 22,307.48

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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.