Home / 28,637.42-39,519.16-16,061.90

Finding the Fourth Proportional to 28,637.42, 39,519.16 and 16,061.90

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Solution

The fourth proportional to 28,637.42, 39,519.16 and 16,061.90 is: 22,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.42 : 39,519.16 = 16,061.90 : x
  2. Step 2: Convert to fraction form
    28,637.42/39,519.16 = 16,061.90/x
  3. Step 3: Cross multiply
    28,637.42x = 39,519.16 × 16,061.90
  4. Step 4: Simplify right side
    28,637.42x = 634,752,558.25
  5. Step 5: Solve for x
    x = 634,752,558.25/28,637.42
  6. Step 6: Final answer
    x = 22,165.15

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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.