Home / 26,788.55-36,925.51-21,114.50

Finding the Fourth Proportional to 26,788.55, 36,925.51 and 21,114.50

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Solution

The fourth proportional to 26,788.55, 36,925.51 and 21,114.50 is: 29,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.55 : 36,925.51 = 21,114.50 : x
  2. Step 2: Convert to fraction form
    26,788.55/36,925.51 = 21,114.50/x
  3. Step 3: Cross multiply
    26,788.55x = 36,925.51 × 21,114.50
  4. Step 4: Simplify right side
    26,788.55x = 779,663,575.32
  5. Step 5: Solve for x
    x = 779,663,575.32/26,788.55
  6. Step 6: Final answer
    x = 29,104.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.