Home / 20,457.51-30,672.54-16,513.62

Finding the Fourth Proportional to 20,457.51, 30,672.54 and 16,513.62

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Solution

The fourth proportional to 20,457.51, 30,672.54 and 16,513.62 is: 24,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,457.51 : 30,672.54 = 16,513.62 : x
  2. Step 2: Convert to fraction form
    20,457.51/30,672.54 = 16,513.62/x
  3. Step 3: Cross multiply
    20,457.51x = 30,672.54 × 16,513.62
  4. Step 4: Simplify right side
    20,457.51x = 506,514,669.99
  5. Step 5: Solve for x
    x = 506,514,669.99/20,457.51
  6. Step 6: Final answer
    x = 24,759.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.