Home / 26,208.60-36,165.11-15,307.08

Finding the Fourth Proportional to 26,208.60, 36,165.11 and 15,307.08

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Solution

The fourth proportional to 26,208.60, 36,165.11 and 15,307.08 is: 21,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,208.60 : 36,165.11 = 15,307.08 : x
  2. Step 2: Convert to fraction form
    26,208.60/36,165.11 = 15,307.08/x
  3. Step 3: Cross multiply
    26,208.60x = 36,165.11 × 15,307.08
  4. Step 4: Simplify right side
    26,208.60x = 553,582,231.98
  5. Step 5: Solve for x
    x = 553,582,231.98/26,208.60
  6. Step 6: Final answer
    x = 21,122.16

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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.