Home / 26,878.03-40,337.90-18,615.93

Finding the Fourth Proportional to 26,878.03, 40,337.90 and 18,615.93

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Solution

The fourth proportional to 26,878.03, 40,337.90 and 18,615.93 is: 27,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.03 : 40,337.90 = 18,615.93 : x
  2. Step 2: Convert to fraction form
    26,878.03/40,337.90 = 18,615.93/x
  3. Step 3: Cross multiply
    26,878.03x = 40,337.90 × 18,615.93
  4. Step 4: Simplify right side
    26,878.03x = 750,927,348.21
  5. Step 5: Solve for x
    x = 750,927,348.21/26,878.03
  6. Step 6: Final answer
    x = 27,938.34

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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.