Home / 19,307.48-28,886.88-17,907.80

Finding the Fourth Proportional to 19,307.48, 28,886.88 and 17,907.80

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Solution

The fourth proportional to 19,307.48, 28,886.88 and 17,907.80 is: 26,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.48 : 28,886.88 = 17,907.80 : x
  2. Step 2: Convert to fraction form
    19,307.48/28,886.88 = 17,907.80/x
  3. Step 3: Cross multiply
    19,307.48x = 28,886.88 × 17,907.80
  4. Step 4: Simplify right side
    19,307.48x = 517,300,469.66
  5. Step 5: Solve for x
    x = 517,300,469.66/19,307.48
  6. Step 6: Final answer
    x = 26,792.75

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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.