Home / 28,697.77-42,920.74-25,557.35

Finding the Fourth Proportional to 28,697.77, 42,920.74 and 25,557.35

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Solution

The fourth proportional to 28,697.77, 42,920.74 and 25,557.35 is: 38,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.77 : 42,920.74 = 25,557.35 : x
  2. Step 2: Convert to fraction form
    28,697.77/42,920.74 = 25,557.35/x
  3. Step 3: Cross multiply
    28,697.77x = 42,920.74 × 25,557.35
  4. Step 4: Simplify right side
    28,697.77x = 1,096,940,246.65
  5. Step 5: Solve for x
    x = 1,096,940,246.65/28,697.77
  6. Step 6: Final answer
    x = 38,223.89

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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.