Home / 26,888.47-40,357.31-13,750.07

Finding the Fourth Proportional to 26,888.47, 40,357.31 and 13,750.07

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Solution

The fourth proportional to 26,888.47, 40,357.31 and 13,750.07 is: 20,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.47 : 40,357.31 = 13,750.07 : x
  2. Step 2: Convert to fraction form
    26,888.47/40,357.31 = 13,750.07/x
  3. Step 3: Cross multiply
    26,888.47x = 40,357.31 × 13,750.07
  4. Step 4: Simplify right side
    26,888.47x = 554,915,566.97
  5. Step 5: Solve for x
    x = 554,915,566.97/26,888.47
  6. Step 6: Final answer
    x = 20,637.68

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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.