Home / 52,863.84-72,952.20-28,990.69

Finding the Fourth Proportional to 52,863.84, 72,952.20 and 28,990.69

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Solution

The fourth proportional to 52,863.84, 72,952.20 and 28,990.69 is: 40,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.84 : 72,952.20 = 28,990.69 : x
  2. Step 2: Convert to fraction form
    52,863.84/72,952.20 = 28,990.69/x
  3. Step 3: Cross multiply
    52,863.84x = 72,952.20 × 28,990.69
  4. Step 4: Simplify right side
    52,863.84x = 2,114,934,615.02
  5. Step 5: Solve for x
    x = 2,114,934,615.02/52,863.84
  6. Step 6: Final answer
    x = 40,007.21

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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.