Home / 28,549.74-42,800.02-13,738.28

Finding the Fourth Proportional to 28,549.74, 42,800.02 and 13,738.28

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Solution

The fourth proportional to 28,549.74, 42,800.02 and 13,738.28 is: 20,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.74 : 42,800.02 = 13,738.28 : x
  2. Step 2: Convert to fraction form
    28,549.74/42,800.02 = 13,738.28/x
  3. Step 3: Cross multiply
    28,549.74x = 42,800.02 × 13,738.28
  4. Step 4: Simplify right side
    28,549.74x = 587,998,658.77
  5. Step 5: Solve for x
    x = 587,998,658.77/28,549.74
  6. Step 6: Final answer
    x = 20,595.59

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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.