Home / 28,945.26-39,985.38-26,802

Finding the Fourth Proportional to 28,945.26, 39,985.38 and 26,802

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Solution

The fourth proportional to 28,945.26, 39,985.38 and 26,802 is: 37,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.26 : 39,985.38 = 26,802 : x
  2. Step 2: Convert to fraction form
    28,945.26/39,985.38 = 26,802/x
  3. Step 3: Cross multiply
    28,945.26x = 39,985.38 × 26,802
  4. Step 4: Simplify right side
    28,945.26x = 1,071,688,154.76
  5. Step 5: Solve for x
    x = 1,071,688,154.76/28,945.26
  6. Step 6: Final answer
    x = 37,024.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.