Home / 28,802.26-43,203.40-12,386.26

Finding the Fourth Proportional to 28,802.26, 43,203.40 and 12,386.26

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Solution

The fourth proportional to 28,802.26, 43,203.40 and 12,386.26 is: 18,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.26 : 43,203.40 = 12,386.26 : x
  2. Step 2: Convert to fraction form
    28,802.26/43,203.40 = 12,386.26/x
  3. Step 3: Cross multiply
    28,802.26x = 43,203.40 × 12,386.26
  4. Step 4: Simplify right side
    28,802.26x = 535,128,545.28
  5. Step 5: Solve for x
    x = 535,128,545.28/28,802.26
  6. Step 6: Final answer
    x = 18,579.39

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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.