Home / 28,023.57-42,044.13-8,302.23

Finding the Fourth Proportional to 28,023.57, 42,044.13 and 8,302.23

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Solution

The fourth proportional to 28,023.57, 42,044.13 and 8,302.23 is: 12,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.57 : 42,044.13 = 8,302.23 : x
  2. Step 2: Convert to fraction form
    28,023.57/42,044.13 = 8,302.23/x
  3. Step 3: Cross multiply
    28,023.57x = 42,044.13 × 8,302.23
  4. Step 4: Simplify right side
    28,023.57x = 349,060,037.41
  5. Step 5: Solve for x
    x = 349,060,037.41/28,023.57
  6. Step 6: Final answer
    x = 12,455.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.