Home / 26,904-37,130.76-15,726

Finding the Fourth Proportional to 26,904, 37,130.76 and 15,726

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Solution

The fourth proportional to 26,904, 37,130.76 and 15,726 is: 21,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904 : 37,130.76 = 15,726 : x
  2. Step 2: Convert to fraction form
    26,904/37,130.76 = 15,726/x
  3. Step 3: Cross multiply
    26,904x = 37,130.76 × 15,726
  4. Step 4: Simplify right side
    26,904x = 583,918,331.76
  5. Step 5: Solve for x
    x = 583,918,331.76/26,904
  6. Step 6: Final answer
    x = 21,703.77

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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.