Home / 26,886.60-40,329.90-19,475.40

Finding the Fourth Proportional to 26,886.60, 40,329.90 and 19,475.40

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Solution

The fourth proportional to 26,886.60, 40,329.90 and 19,475.40 is: 29,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.60 : 40,329.90 = 19,475.40 : x
  2. Step 2: Convert to fraction form
    26,886.60/40,329.90 = 19,475.40/x
  3. Step 3: Cross multiply
    26,886.60x = 40,329.90 × 19,475.40
  4. Step 4: Simplify right side
    26,886.60x = 785,440,934.46
  5. Step 5: Solve for x
    x = 785,440,934.46/26,886.60
  6. Step 6: Final answer
    x = 29,213.10

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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.