Home / 52,756.98-72,806.37-28,883.58

Finding the Fourth Proportional to 52,756.98, 72,806.37 and 28,883.58

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Solution

The fourth proportional to 52,756.98, 72,806.37 and 28,883.58 is: 39,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.98 : 72,806.37 = 28,883.58 : x
  2. Step 2: Convert to fraction form
    52,756.98/72,806.37 = 28,883.58/x
  3. Step 3: Cross multiply
    52,756.98x = 72,806.37 × 28,883.58
  4. Step 4: Simplify right side
    52,756.98x = 2,102,908,612.40
  5. Step 5: Solve for x
    x = 2,102,908,612.40/52,756.98
  6. Step 6: Final answer
    x = 39,860.29

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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.