Home / 28,242.63-38,958.64-17,613.81

Finding the Fourth Proportional to 28,242.63, 38,958.64 and 17,613.81

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Solution

The fourth proportional to 28,242.63, 38,958.64 and 17,613.81 is: 24,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.63 : 38,958.64 = 17,613.81 : x
  2. Step 2: Convert to fraction form
    28,242.63/38,958.64 = 17,613.81/x
  3. Step 3: Cross multiply
    28,242.63x = 38,958.64 × 17,613.81
  4. Step 4: Simplify right side
    28,242.63x = 686,210,038.78
  5. Step 5: Solve for x
    x = 686,210,038.78/28,242.63
  6. Step 6: Final answer
    x = 24,296.96

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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.