Home / 26,988.72-37,245.36-15,657.36

Finding the Fourth Proportional to 26,988.72, 37,245.36 and 15,657.36

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Solution

The fourth proportional to 26,988.72, 37,245.36 and 15,657.36 is: 21,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.72 : 37,245.36 = 15,657.36 : x
  2. Step 2: Convert to fraction form
    26,988.72/37,245.36 = 15,657.36/x
  3. Step 3: Cross multiply
    26,988.72x = 37,245.36 × 15,657.36
  4. Step 4: Simplify right side
    26,988.72x = 583,164,009.85
  5. Step 5: Solve for x
    x = 583,164,009.85/26,988.72
  6. Step 6: Final answer
    x = 21,607.69

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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.