Home / 26,109.42-36,031.17-14,172.81

Finding the Fourth Proportional to 26,109.42, 36,031.17 and 14,172.81

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Solution

The fourth proportional to 26,109.42, 36,031.17 and 14,172.81 is: 19,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.42 : 36,031.17 = 14,172.81 : x
  2. Step 2: Convert to fraction form
    26,109.42/36,031.17 = 14,172.81/x
  3. Step 3: Cross multiply
    26,109.42x = 36,031.17 × 14,172.81
  4. Step 4: Simplify right side
    26,109.42x = 510,662,926.49
  5. Step 5: Solve for x
    x = 510,662,926.49/26,109.42
  6. Step 6: Final answer
    x = 19,558.57

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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.