Home / 52,274.64-72,138.72-28,401.36

Finding the Fourth Proportional to 52,274.64, 72,138.72 and 28,401.36

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Solution

The fourth proportional to 52,274.64, 72,138.72 and 28,401.36 is: 39,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.64 : 72,138.72 = 28,401.36 : x
  2. Step 2: Convert to fraction form
    52,274.64/72,138.72 = 28,401.36/x
  3. Step 3: Cross multiply
    52,274.64x = 72,138.72 × 28,401.36
  4. Step 4: Simplify right side
    52,274.64x = 2,048,837,756.66
  5. Step 5: Solve for x
    x = 2,048,837,756.66/52,274.64
  6. Step 6: Final answer
    x = 39,193.72

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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.