Home / 52,764.21-72,814.59-28,890.90

Finding the Fourth Proportional to 52,764.21, 72,814.59 and 28,890.90

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Solution

The fourth proportional to 52,764.21, 72,814.59 and 28,890.90 is: 39,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.21 : 72,814.59 = 28,890.90 : x
  2. Step 2: Convert to fraction form
    52,764.21/72,814.59 = 28,890.90/x
  3. Step 3: Cross multiply
    52,764.21x = 72,814.59 × 28,890.90
  4. Step 4: Simplify right side
    52,764.21x = 2,103,679,038.23
  5. Step 5: Solve for x
    x = 2,103,679,038.23/52,764.21
  6. Step 6: Final answer
    x = 39,869.43

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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.