Home / 28,148.06-42,222.07-13,348.91

Finding the Fourth Proportional to 28,148.06, 42,222.07 and 13,348.91

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Solution

The fourth proportional to 28,148.06, 42,222.07 and 13,348.91 is: 20,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.06 : 42,222.07 = 13,348.91 : x
  2. Step 2: Convert to fraction form
    28,148.06/42,222.07 = 13,348.91/x
  3. Step 3: Cross multiply
    28,148.06x = 42,222.07 × 13,348.91
  4. Step 4: Simplify right side
    28,148.06x = 563,618,612.44
  5. Step 5: Solve for x
    x = 563,618,612.44/28,148.06
  6. Step 6: Final answer
    x = 20,023.36

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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.