Home / 28,926.45-43,386.74-19,626.23

Finding the Fourth Proportional to 28,926.45, 43,386.74 and 19,626.23

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Solution

The fourth proportional to 28,926.45, 43,386.74 and 19,626.23 is: 29,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.45 : 43,386.74 = 19,626.23 : x
  2. Step 2: Convert to fraction form
    28,926.45/43,386.74 = 19,626.23/x
  3. Step 3: Cross multiply
    28,926.45x = 43,386.74 × 19,626.23
  4. Step 4: Simplify right side
    28,926.45x = 851,518,222.12
  5. Step 5: Solve for x
    x = 851,518,222.12/28,926.45
  6. Step 6: Final answer
    x = 29,437.36

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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.