Home / 27,158.86-37,465.50-20,072.98

Finding the Fourth Proportional to 27,158.86, 37,465.50 and 20,072.98

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Solution

The fourth proportional to 27,158.86, 37,465.50 and 20,072.98 is: 27,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.86 : 37,465.50 = 20,072.98 : x
  2. Step 2: Convert to fraction form
    27,158.86/37,465.50 = 20,072.98/x
  3. Step 3: Cross multiply
    27,158.86x = 37,465.50 × 20,072.98
  4. Step 4: Simplify right side
    27,158.86x = 752,044,232.19
  5. Step 5: Solve for x
    x = 752,044,232.19/27,158.86
  6. Step 6: Final answer
    x = 27,690.57

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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.