Home / 26,931.88-37,160.34-15,600.70

Finding the Fourth Proportional to 26,931.88, 37,160.34 and 15,600.70

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Solution

The fourth proportional to 26,931.88, 37,160.34 and 15,600.70 is: 21,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.88 : 37,160.34 = 15,600.70 : x
  2. Step 2: Convert to fraction form
    26,931.88/37,160.34 = 15,600.70/x
  3. Step 3: Cross multiply
    26,931.88x = 37,160.34 × 15,600.70
  4. Step 4: Simplify right side
    26,931.88x = 579,727,316.24
  5. Step 5: Solve for x
    x = 579,727,316.24/26,931.88
  6. Step 6: Final answer
    x = 21,525.69

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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.