Home / 28,157.95-38,794.24-23,114.18

Finding the Fourth Proportional to 28,157.95, 38,794.24 and 23,114.18

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Solution

The fourth proportional to 28,157.95, 38,794.24 and 23,114.18 is: 31,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.95 : 38,794.24 = 23,114.18 : x
  2. Step 2: Convert to fraction form
    28,157.95/38,794.24 = 23,114.18/x
  3. Step 3: Cross multiply
    28,157.95x = 38,794.24 × 23,114.18
  4. Step 4: Simplify right side
    28,157.95x = 896,696,953.98
  5. Step 5: Solve for x
    x = 896,696,953.98/28,157.95
  6. Step 6: Final answer
    x = 31,845.25

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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.