Home / 52,683.84-72,703.44-28,810.80

Finding the Fourth Proportional to 52,683.84, 72,703.44 and 28,810.80

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Solution

The fourth proportional to 52,683.84, 72,703.44 and 28,810.80 is: 39,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.84 : 72,703.44 = 28,810.80 : x
  2. Step 2: Convert to fraction form
    52,683.84/72,703.44 = 28,810.80/x
  3. Step 3: Cross multiply
    52,683.84x = 72,703.44 × 28,810.80
  4. Step 4: Simplify right side
    52,683.84x = 2,094,644,269.15
  5. Step 5: Solve for x
    x = 2,094,644,269.15/52,683.84
  6. Step 6: Final answer
    x = 39,758.76

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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.