Home / 28,441.80-42,452.04-26,690.76

Finding the Fourth Proportional to 28,441.80, 42,452.04 and 26,690.76

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Solution

The fourth proportional to 28,441.80, 42,452.04 and 26,690.76 is: 39,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.80 : 42,452.04 = 26,690.76 : x
  2. Step 2: Convert to fraction form
    28,441.80/42,452.04 = 26,690.76/x
  3. Step 3: Cross multiply
    28,441.80x = 42,452.04 × 26,690.76
  4. Step 4: Simplify right side
    28,441.80x = 1,133,077,211.15
  5. Step 5: Solve for x
    x = 1,133,077,211.15/28,441.80
  6. Step 6: Final answer
    x = 39,838.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.