Home / 26,117.76-36,037.44-15,510.72

Finding the Fourth Proportional to 26,117.76, 36,037.44 and 15,510.72

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Solution

The fourth proportional to 26,117.76, 36,037.44 and 15,510.72 is: 21,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.76 : 36,037.44 = 15,510.72 : x
  2. Step 2: Convert to fraction form
    26,117.76/36,037.44 = 15,510.72/x
  3. Step 3: Cross multiply
    26,117.76x = 36,037.44 × 15,510.72
  4. Step 4: Simplify right side
    26,117.76x = 558,966,641.36
  5. Step 5: Solve for x
    x = 558,966,641.36/26,117.76
  6. Step 6: Final answer
    x = 21,401.78

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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.