Home / 28,075.08-42,098.55-9,348.54

Finding the Fourth Proportional to 28,075.08, 42,098.55 and 9,348.54

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Solution

The fourth proportional to 28,075.08, 42,098.55 and 9,348.54 is: 14,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.08 : 42,098.55 = 9,348.54 : x
  2. Step 2: Convert to fraction form
    28,075.08/42,098.55 = 9,348.54/x
  3. Step 3: Cross multiply
    28,075.08x = 42,098.55 × 9,348.54
  4. Step 4: Simplify right side
    28,075.08x = 393,559,978.62
  5. Step 5: Solve for x
    x = 393,559,978.62/28,075.08
  6. Step 6: Final answer
    x = 14,018.12

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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.