Home / 28,860.24-43,290.36-6,972.24

Finding the Fourth Proportional to 28,860.24, 43,290.36 and 6,972.24

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Solution

The fourth proportional to 28,860.24, 43,290.36 and 6,972.24 is: 10,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.24 : 43,290.36 = 6,972.24 : x
  2. Step 2: Convert to fraction form
    28,860.24/43,290.36 = 6,972.24/x
  3. Step 3: Cross multiply
    28,860.24x = 43,290.36 × 6,972.24
  4. Step 4: Simplify right side
    28,860.24x = 301,830,779.61
  5. Step 5: Solve for x
    x = 301,830,779.61/28,860.24
  6. Step 6: Final answer
    x = 10,458.36

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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.