Home / 28,706.63-43,038.07-19,349.00

Finding the Fourth Proportional to 28,706.63, 43,038.07 and 19,349.00

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Solution

The fourth proportional to 28,706.63, 43,038.07 and 19,349.00 is: 29,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.63 : 43,038.07 = 19,349.00 : x
  2. Step 2: Convert to fraction form
    28,706.63/43,038.07 = 19,349.00/x
  3. Step 3: Cross multiply
    28,706.63x = 43,038.07 × 19,349.00
  4. Step 4: Simplify right side
    28,706.63x = 832,743,514.26
  5. Step 5: Solve for x
    x = 832,743,514.26/28,706.63
  6. Step 6: Final answer
    x = 29,008.76

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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.