Home / 35,977.80-49,627.98-28,007.40

Finding the Fourth Proportional to 35,977.80, 49,627.98 and 28,007.40

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Solution

The fourth proportional to 35,977.80, 49,627.98 and 28,007.40 is: 38,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.80 : 49,627.98 = 28,007.40 : x
  2. Step 2: Convert to fraction form
    35,977.80/49,627.98 = 28,007.40/x
  3. Step 3: Cross multiply
    35,977.80x = 49,627.98 × 28,007.40
  4. Step 4: Simplify right side
    35,977.80x = 1,389,950,687.05
  5. Step 5: Solve for x
    x = 1,389,950,687.05/35,977.80
  6. Step 6: Final answer
    x = 38,633.57

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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.