Home / 28,524.86-42,769.07-13,704.29

Finding the Fourth Proportional to 28,524.86, 42,769.07 and 13,704.29

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Solution

The fourth proportional to 28,524.86, 42,769.07 and 13,704.29 is: 20,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.86 : 42,769.07 = 13,704.29 : x
  2. Step 2: Convert to fraction form
    28,524.86/42,769.07 = 13,704.29/x
  3. Step 3: Cross multiply
    28,524.86x = 42,769.07 × 13,704.29
  4. Step 4: Simplify right side
    28,524.86x = 586,119,669.79
  5. Step 5: Solve for x
    x = 586,119,669.79/28,524.86
  6. Step 6: Final answer
    x = 20,547.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.