Home / 26,873.48-37,088.36-15,389.49

Finding the Fourth Proportional to 26,873.48, 37,088.36 and 15,389.49

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Solution

The fourth proportional to 26,873.48, 37,088.36 and 15,389.49 is: 21,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.48 : 37,088.36 = 15,389.49 : x
  2. Step 2: Convert to fraction form
    26,873.48/37,088.36 = 15,389.49/x
  3. Step 3: Cross multiply
    26,873.48x = 37,088.36 × 15,389.49
  4. Step 4: Simplify right side
    26,873.48x = 570,770,868.39
  5. Step 5: Solve for x
    x = 570,770,868.39/26,873.48
  6. Step 6: Final answer
    x = 21,239.19

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1.5x scale

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.