Home / 19,040.70-28,529.83-13,484.06

Finding the Fourth Proportional to 19,040.70, 28,529.83 and 13,484.06

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Solution

The fourth proportional to 19,040.70, 28,529.83 and 13,484.06 is: 20,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.70 : 28,529.83 = 13,484.06 : x
  2. Step 2: Convert to fraction form
    19,040.70/28,529.83 = 13,484.06/x
  3. Step 3: Cross multiply
    19,040.70x = 28,529.83 × 13,484.06
  4. Step 4: Simplify right side
    19,040.70x = 384,697,939.51
  5. Step 5: Solve for x
    x = 384,697,939.51/19,040.70
  6. Step 6: Final answer
    x = 20,203.98

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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.