Home / 26,570.79-39,857.31-9,929.16

Finding the Fourth Proportional to 26,570.79, 39,857.31 and 9,929.16

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Solution

The fourth proportional to 26,570.79, 39,857.31 and 9,929.16 is: 14,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.79 : 39,857.31 = 9,929.16 : x
  2. Step 2: Convert to fraction form
    26,570.79/39,857.31 = 9,929.16/x
  3. Step 3: Cross multiply
    26,570.79x = 39,857.31 × 9,929.16
  4. Step 4: Simplify right side
    26,570.79x = 395,749,608.16
  5. Step 5: Solve for x
    x = 395,749,608.16/26,570.79
  6. Step 6: Final answer
    x = 14,894.16

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1.5x scale

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.