Home / 25,810.23-38,707.15-17,543.37

Finding the Fourth Proportional to 25,810.23, 38,707.15 and 17,543.37

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Solution

The fourth proportional to 25,810.23, 38,707.15 and 17,543.37 is: 26,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.23 : 38,707.15 = 17,543.37 : x
  2. Step 2: Convert to fraction form
    25,810.23/38,707.15 = 17,543.37/x
  3. Step 3: Cross multiply
    25,810.23x = 38,707.15 × 17,543.37
  4. Step 4: Simplify right side
    25,810.23x = 679,053,977.32
  5. Step 5: Solve for x
    x = 679,053,977.32/25,810.23
  6. Step 6: Final answer
    x = 26,309.49

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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.