Home / 28,870.80-43,306.20-23,038.80

Finding the Fourth Proportional to 28,870.80, 43,306.20 and 23,038.80

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Solution

The fourth proportional to 28,870.80, 43,306.20 and 23,038.80 is: 34,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.80 : 43,306.20 = 23,038.80 : x
  2. Step 2: Convert to fraction form
    28,870.80/43,306.20 = 23,038.80/x
  3. Step 3: Cross multiply
    28,870.80x = 43,306.20 × 23,038.80
  4. Step 4: Simplify right side
    28,870.80x = 997,722,880.56
  5. Step 5: Solve for x
    x = 997,722,880.56/28,870.80
  6. Step 6: Final answer
    x = 34,558.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.