Home / 28,035.40-38,686.98-16,097.08

Finding the Fourth Proportional to 28,035.40, 38,686.98 and 16,097.08

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Solution

The fourth proportional to 28,035.40, 38,686.98 and 16,097.08 is: 22,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.40 : 38,686.98 = 16,097.08 : x
  2. Step 2: Convert to fraction form
    28,035.40/38,686.98 = 16,097.08/x
  3. Step 3: Cross multiply
    28,035.40x = 38,686.98 × 16,097.08
  4. Step 4: Simplify right side
    28,035.40x = 622,747,412.02
  5. Step 5: Solve for x
    x = 622,747,412.02/28,035.40
  6. Step 6: Final answer
    x = 22,212.90

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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.