Home / 28,254.74-42,381.39-13,474.10

Finding the Fourth Proportional to 28,254.74, 42,381.39 and 13,474.10

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Solution

The fourth proportional to 28,254.74, 42,381.39 and 13,474.10 is: 20,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.74 : 42,381.39 = 13,474.10 : x
  2. Step 2: Convert to fraction form
    28,254.74/42,381.39 = 13,474.10/x
  3. Step 3: Cross multiply
    28,254.74x = 42,381.39 × 13,474.10
  4. Step 4: Simplify right side
    28,254.74x = 571,051,087.00
  5. Step 5: Solve for x
    x = 571,051,087.00/28,254.74
  6. Step 6: Final answer
    x = 20,210.81

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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.