Home / 26,326.10-39,411.31-16,938.40

Finding the Fourth Proportional to 26,326.10, 39,411.31 and 16,938.40

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Solution

The fourth proportional to 26,326.10, 39,411.31 and 16,938.40 is: 25,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.10 : 39,411.31 = 16,938.40 : x
  2. Step 2: Convert to fraction form
    26,326.10/39,411.31 = 16,938.40/x
  3. Step 3: Cross multiply
    26,326.10x = 39,411.31 × 16,938.40
  4. Step 4: Simplify right side
    26,326.10x = 667,564,533.30
  5. Step 5: Solve for x
    x = 667,564,533.30/26,326.10
  6. Step 6: Final answer
    x = 25,357.52

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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.