Home / 26,437.86-39,647.56-10,638.80

Finding the Fourth Proportional to 26,437.86, 39,647.56 and 10,638.80

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Solution

The fourth proportional to 26,437.86, 39,647.56 and 10,638.80 is: 15,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.86 : 39,647.56 = 10,638.80 : x
  2. Step 2: Convert to fraction form
    26,437.86/39,647.56 = 10,638.80/x
  3. Step 3: Cross multiply
    26,437.86x = 39,647.56 × 10,638.80
  4. Step 4: Simplify right side
    26,437.86x = 421,802,461.33
  5. Step 5: Solve for x
    x = 421,802,461.33/26,437.86
  6. Step 6: Final answer
    x = 15,954.49

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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.