Home / 52,415.90-72,333.89-28,542.74

Finding the Fourth Proportional to 52,415.90, 72,333.89 and 28,542.74

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Solution

The fourth proportional to 52,415.90, 72,333.89 and 28,542.74 is: 39,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.90 : 72,333.89 = 28,542.74 : x
  2. Step 2: Convert to fraction form
    52,415.90/72,333.89 = 28,542.74/x
  3. Step 3: Cross multiply
    52,415.90x = 72,333.89 × 28,542.74
  4. Step 4: Simplify right side
    52,415.90x = 2,064,606,911.08
  5. Step 5: Solve for x
    x = 2,064,606,911.08/52,415.90
  6. Step 6: Final answer
    x = 39,388.95

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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.