Home / 26,042.08-35,938.74-15,430

Finding the Fourth Proportional to 26,042.08, 35,938.74 and 15,430

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Solution

The fourth proportional to 26,042.08, 35,938.74 and 15,430 is: 21,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.08 : 35,938.74 = 15,430 : x
  2. Step 2: Convert to fraction form
    26,042.08/35,938.74 = 15,430/x
  3. Step 3: Cross multiply
    26,042.08x = 35,938.74 × 15,430
  4. Step 4: Simplify right side
    26,042.08x = 554,534,758.20
  5. Step 5: Solve for x
    x = 554,534,758.20/26,042.08
  6. Step 6: Final answer
    x = 21,293.80

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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.