Home / 19,070.80-28,606.21-7,384.02

Finding the Fourth Proportional to 19,070.80, 28,606.21 and 7,384.02

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Solution

The fourth proportional to 19,070.80, 28,606.21 and 7,384.02 is: 11,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.80 : 28,606.21 = 7,384.02 : x
  2. Step 2: Convert to fraction form
    19,070.80/28,606.21 = 7,384.02/x
  3. Step 3: Cross multiply
    19,070.80x = 28,606.21 × 7,384.02
  4. Step 4: Simplify right side
    19,070.80x = 211,228,826.76
  5. Step 5: Solve for x
    x = 211,228,826.76/19,070.80
  6. Step 6: Final answer
    x = 11,076.03

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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.