Home / 28,254.09-42,388.74-8,533.29

Finding the Fourth Proportional to 28,254.09, 42,388.74 and 8,533.29

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Solution

The fourth proportional to 28,254.09, 42,388.74 and 8,533.29 is: 12,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.09 : 42,388.74 = 8,533.29 : x
  2. Step 2: Convert to fraction form
    28,254.09/42,388.74 = 8,533.29/x
  3. Step 3: Cross multiply
    28,254.09x = 42,388.74 × 8,533.29
  4. Step 4: Simplify right side
    28,254.09x = 361,715,411.15
  5. Step 5: Solve for x
    x = 361,715,411.15/28,254.09
  6. Step 6: Final answer
    x = 12,802.23

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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.