Home / 28,476.43-39,300.80-23,687.91

Finding the Fourth Proportional to 28,476.43, 39,300.80 and 23,687.91

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Solution

The fourth proportional to 28,476.43, 39,300.80 and 23,687.91 is: 32,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.43 : 39,300.80 = 23,687.91 : x
  2. Step 2: Convert to fraction form
    28,476.43/39,300.80 = 23,687.91/x
  3. Step 3: Cross multiply
    28,476.43x = 39,300.80 × 23,687.91
  4. Step 4: Simplify right side
    28,476.43x = 930,953,694.89
  5. Step 5: Solve for x
    x = 930,953,694.89/28,476.43
  6. Step 6: Final answer
    x = 32,692.08

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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.