Home / 52,759.02-72,807.21-28,560

Finding the Fourth Proportional to 52,759.02, 72,807.21 and 28,560

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Solution

The fourth proportional to 52,759.02, 72,807.21 and 28,560 is: 39,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.02 : 72,807.21 = 28,560 : x
  2. Step 2: Convert to fraction form
    52,759.02/72,807.21 = 28,560/x
  3. Step 3: Cross multiply
    52,759.02x = 72,807.21 × 28,560
  4. Step 4: Simplify right side
    52,759.02x = 2,079,373,917.60
  5. Step 5: Solve for x
    x = 2,079,373,917.60/52,759.02
  6. Step 6: Final answer
    x = 39,412.67

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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.