Home / 28,053.11-42,043.29-11,393.63

Finding the Fourth Proportional to 28,053.11, 42,043.29 and 11,393.63

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Solution

The fourth proportional to 28,053.11, 42,043.29 and 11,393.63 is: 17,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.11 : 42,043.29 = 11,393.63 : x
  2. Step 2: Convert to fraction form
    28,053.11/42,043.29 = 11,393.63/x
  3. Step 3: Cross multiply
    28,053.11x = 42,043.29 × 11,393.63
  4. Step 4: Simplify right side
    28,053.11x = 479,025,480.03
  5. Step 5: Solve for x
    x = 479,025,480.03/28,053.11
  6. Step 6: Final answer
    x = 17,075.67

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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.