Home / 28,056.63-38,723.15-16,726.86

Finding the Fourth Proportional to 28,056.63, 38,723.15 and 16,726.86

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Solution

The fourth proportional to 28,056.63, 38,723.15 and 16,726.86 is: 23,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.63 : 38,723.15 = 16,726.86 : x
  2. Step 2: Convert to fraction form
    28,056.63/38,723.15 = 16,726.86/x
  3. Step 3: Cross multiply
    28,056.63x = 38,723.15 × 16,726.86
  4. Step 4: Simplify right side
    28,056.63x = 647,716,708.81
  5. Step 5: Solve for x
    x = 647,716,708.81/28,056.63
  6. Step 6: Final answer
    x = 23,086.05

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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.