Home / 28,364.03-42,533.48-10,821.59

Finding the Fourth Proportional to 28,364.03, 42,533.48 and 10,821.59

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Solution

The fourth proportional to 28,364.03, 42,533.48 and 10,821.59 is: 16,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.03 : 42,533.48 = 10,821.59 : x
  2. Step 2: Convert to fraction form
    28,364.03/42,533.48 = 10,821.59/x
  3. Step 3: Cross multiply
    28,364.03x = 42,533.48 × 10,821.59
  4. Step 4: Simplify right side
    28,364.03x = 460,279,696.22
  5. Step 5: Solve for x
    x = 460,279,696.22/28,364.03
  6. Step 6: Final answer
    x = 16,227.59

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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.