Home / 28,670.01-42,982.70-13,669.35

Finding the Fourth Proportional to 28,670.01, 42,982.70 and 13,669.35

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Solution

The fourth proportional to 28,670.01, 42,982.70 and 13,669.35 is: 20,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.01 : 42,982.70 = 13,669.35 : x
  2. Step 2: Convert to fraction form
    28,670.01/42,982.70 = 13,669.35/x
  3. Step 3: Cross multiply
    28,670.01x = 42,982.70 × 13,669.35
  4. Step 4: Simplify right side
    28,670.01x = 587,545,501.90
  5. Step 5: Solve for x
    x = 587,545,501.90/28,670.01
  6. Step 6: Final answer
    x = 20,493.38

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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.