Home / 28,004.36-38,641.93-16,065.77

Finding the Fourth Proportional to 28,004.36, 38,641.93 and 16,065.77

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Solution

The fourth proportional to 28,004.36, 38,641.93 and 16,065.77 is: 22,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.36 : 38,641.93 = 16,065.77 : x
  2. Step 2: Convert to fraction form
    28,004.36/38,641.93 = 16,065.77/x
  3. Step 3: Cross multiply
    28,004.36x = 38,641.93 × 16,065.77
  4. Step 4: Simplify right side
    28,004.36x = 620,812,126.36
  5. Step 5: Solve for x
    x = 620,812,126.36/28,004.36
  6. Step 6: Final answer
    x = 22,168.41

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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.