Home / 26,465.04-39,588.12-21,731.76

Finding the Fourth Proportional to 26,465.04, 39,588.12 and 21,731.76

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Solution

The fourth proportional to 26,465.04, 39,588.12 and 21,731.76 is: 32,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.04 : 39,588.12 = 21,731.76 : x
  2. Step 2: Convert to fraction form
    26,465.04/39,588.12 = 21,731.76/x
  3. Step 3: Cross multiply
    26,465.04x = 39,588.12 × 21,731.76
  4. Step 4: Simplify right side
    26,465.04x = 860,319,522.69
  5. Step 5: Solve for x
    x = 860,319,522.69/26,465.04
  6. Step 6: Final answer
    x = 32,507.77

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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.