Home / 28,423.36-42,384.56-26,453.44

Finding the Fourth Proportional to 28,423.36, 42,384.56 and 26,453.44

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Solution

The fourth proportional to 28,423.36, 42,384.56 and 26,453.44 is: 39,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.36 : 42,384.56 = 26,453.44 : x
  2. Step 2: Convert to fraction form
    28,423.36/42,384.56 = 26,453.44/x
  3. Step 3: Cross multiply
    28,423.36x = 42,384.56 × 26,453.44
  4. Step 4: Simplify right side
    28,423.36x = 1,121,217,414.89
  5. Step 5: Solve for x
    x = 1,121,217,414.89/28,423.36
  6. Step 6: Final answer
    x = 39,447.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.