Home / 28,263.06-42,401.57-19,959.35

Finding the Fourth Proportional to 28,263.06, 42,401.57 and 19,959.35

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Solution

The fourth proportional to 28,263.06, 42,401.57 and 19,959.35 is: 29,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.06 : 42,401.57 = 19,959.35 : x
  2. Step 2: Convert to fraction form
    28,263.06/42,401.57 = 19,959.35/x
  3. Step 3: Cross multiply
    28,263.06x = 42,401.57 × 19,959.35
  4. Step 4: Simplify right side
    28,263.06x = 846,307,464.37
  5. Step 5: Solve for x
    x = 846,307,464.37/28,263.06
  6. Step 6: Final answer
    x = 29,943.94

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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.