Home / 18,827.52-28,103.76-17,457

Finding the Fourth Proportional to 18,827.52, 28,103.76 and 17,457

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Solution

The fourth proportional to 18,827.52, 28,103.76 and 17,457 is: 26,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.52 : 28,103.76 = 17,457 : x
  2. Step 2: Convert to fraction form
    18,827.52/28,103.76 = 17,457/x
  3. Step 3: Cross multiply
    18,827.52x = 28,103.76 × 17,457
  4. Step 4: Simplify right side
    18,827.52x = 490,607,338.32
  5. Step 5: Solve for x
    x = 490,607,338.32/18,827.52
  6. Step 6: Final answer
    x = 26,057.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.