Home / 38,310.40-57,465.60-26,646.40

Finding the Fourth Proportional to 38,310.40, 57,465.60 and 26,646.40

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Solution

The fourth proportional to 38,310.40, 57,465.60 and 26,646.40 is: 39,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.40 : 57,465.60 = 26,646.40 : x
  2. Step 2: Convert to fraction form
    38,310.40/57,465.60 = 26,646.40/x
  3. Step 3: Cross multiply
    38,310.40x = 57,465.60 × 26,646.40
  4. Step 4: Simplify right side
    38,310.40x = 1,531,251,363.84
  5. Step 5: Solve for x
    x = 1,531,251,363.84/38,310.40
  6. Step 6: Final answer
    x = 39,969.60

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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.