Home / 26,130.24-39,088.32-21,753.60

Finding the Fourth Proportional to 26,130.24, 39,088.32 and 21,753.60

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Solution

The fourth proportional to 26,130.24, 39,088.32 and 21,753.60 is: 32,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.24 : 39,088.32 = 21,753.60 : x
  2. Step 2: Convert to fraction form
    26,130.24/39,088.32 = 21,753.60/x
  3. Step 3: Cross multiply
    26,130.24x = 39,088.32 × 21,753.60
  4. Step 4: Simplify right side
    26,130.24x = 850,311,677.95
  5. Step 5: Solve for x
    x = 850,311,677.95/26,130.24
  6. Step 6: Final answer
    x = 32,541.29

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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.