Home / 26,072.11-35,980.10-15,457.87

Finding the Fourth Proportional to 26,072.11, 35,980.10 and 15,457.87

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Solution

The fourth proportional to 26,072.11, 35,980.10 and 15,457.87 is: 21,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.11 : 35,980.10 = 15,457.87 : x
  2. Step 2: Convert to fraction form
    26,072.11/35,980.10 = 15,457.87/x
  3. Step 3: Cross multiply
    26,072.11x = 35,980.10 × 15,457.87
  4. Step 4: Simplify right side
    26,072.11x = 556,175,708.39
  5. Step 5: Solve for x
    x = 556,175,708.39/26,072.11
  6. Step 6: Final answer
    x = 21,332.21

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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.