Home / 52,378.26-72,280.80-28,504.98

Finding the Fourth Proportional to 52,378.26, 72,280.80 and 28,504.98

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Solution

The fourth proportional to 52,378.26, 72,280.80 and 28,504.98 is: 39,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.26 : 72,280.80 = 28,504.98 : x
  2. Step 2: Convert to fraction form
    52,378.26/72,280.80 = 28,504.98/x
  3. Step 3: Cross multiply
    52,378.26x = 72,280.80 × 28,504.98
  4. Step 4: Simplify right side
    52,378.26x = 2,060,362,758.38
  5. Step 5: Solve for x
    x = 2,060,362,758.38/52,378.26
  6. Step 6: Final answer
    x = 39,336.22

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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.