Home / 28,185.90-38,895.51-16,249.74

Finding the Fourth Proportional to 28,185.90, 38,895.51 and 16,249.74

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Solution

The fourth proportional to 28,185.90, 38,895.51 and 16,249.74 is: 22,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.90 : 38,895.51 = 16,249.74 : x
  2. Step 2: Convert to fraction form
    28,185.90/38,895.51 = 16,249.74/x
  3. Step 3: Cross multiply
    28,185.90x = 38,895.51 × 16,249.74
  4. Step 4: Simplify right side
    28,185.90x = 632,041,924.67
  5. Step 5: Solve for x
    x = 632,041,924.67/28,185.90
  6. Step 6: Final answer
    x = 22,424.05

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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.