Home / 28,075.48-42,113.26-7,299

Finding the Fourth Proportional to 28,075.48, 42,113.26 and 7,299

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Solution

The fourth proportional to 28,075.48, 42,113.26 and 7,299 is: 10,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.48 : 42,113.26 = 7,299 : x
  2. Step 2: Convert to fraction form
    28,075.48/42,113.26 = 7,299/x
  3. Step 3: Cross multiply
    28,075.48x = 42,113.26 × 7,299
  4. Step 4: Simplify right side
    28,075.48x = 307,384,684.74
  5. Step 5: Solve for x
    x = 307,384,684.74/28,075.48
  6. Step 6: Final answer
    x = 10,948.51

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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.