Home / 26,587.30-39,794.55-20,712.10

Finding the Fourth Proportional to 26,587.30, 39,794.55 and 20,712.10

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Solution

The fourth proportional to 26,587.30, 39,794.55 and 20,712.10 is: 31,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.30 : 39,794.55 = 20,712.10 : x
  2. Step 2: Convert to fraction form
    26,587.30/39,794.55 = 20,712.10/x
  3. Step 3: Cross multiply
    26,587.30x = 39,794.55 × 20,712.10
  4. Step 4: Simplify right side
    26,587.30x = 824,228,699.06
  5. Step 5: Solve for x
    x = 824,228,699.06/26,587.30
  6. Step 6: Final answer
    x = 31,000.84

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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.