Home / 52,708.95-72,735.26-28,830.87

Finding the Fourth Proportional to 52,708.95, 72,735.26 and 28,830.87

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Solution

The fourth proportional to 52,708.95, 72,735.26 and 28,830.87 is: 39,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.95 : 72,735.26 = 28,830.87 : x
  2. Step 2: Convert to fraction form
    52,708.95/72,735.26 = 28,830.87/x
  3. Step 3: Cross multiply
    52,708.95x = 72,735.26 × 28,830.87
  4. Step 4: Simplify right side
    52,708.95x = 2,097,020,681.32
  5. Step 5: Solve for x
    x = 2,097,020,681.32/52,708.95
  6. Step 6: Final answer
    x = 39,784.91

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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.