Home / 28,963.37-43,265.34-21,002.69

Finding the Fourth Proportional to 28,963.37, 43,265.34 and 21,002.69

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Solution

The fourth proportional to 28,963.37, 43,265.34 and 21,002.69 is: 31,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.37 : 43,265.34 = 21,002.69 : x
  2. Step 2: Convert to fraction form
    28,963.37/43,265.34 = 21,002.69/x
  3. Step 3: Cross multiply
    28,963.37x = 43,265.34 × 21,002.69
  4. Step 4: Simplify right side
    28,963.37x = 908,688,307.44
  5. Step 5: Solve for x
    x = 908,688,307.44/28,963.37
  6. Step 6: Final answer
    x = 31,373.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.