Home / 28,158.32-38,794.76-23,114.55

Finding the Fourth Proportional to 28,158.32, 38,794.76 and 23,114.55

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Solution

The fourth proportional to 28,158.32, 38,794.76 and 23,114.55 is: 31,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.32 : 38,794.76 = 23,114.55 : x
  2. Step 2: Convert to fraction form
    28,158.32/38,794.76 = 23,114.55/x
  3. Step 3: Cross multiply
    28,158.32x = 38,794.76 × 23,114.55
  4. Step 4: Simplify right side
    28,158.32x = 896,723,536.35
  5. Step 5: Solve for x
    x = 896,723,536.35/28,158.32
  6. Step 6: Final answer
    x = 31,845.77

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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.