Home / 28,273.98-42,381.44-9,547.53

Finding the Fourth Proportional to 28,273.98, 42,381.44 and 9,547.53

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Solution

The fourth proportional to 28,273.98, 42,381.44 and 9,547.53 is: 14,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.98 : 42,381.44 = 9,547.53 : x
  2. Step 2: Convert to fraction form
    28,273.98/42,381.44 = 9,547.53/x
  3. Step 3: Cross multiply
    28,273.98x = 42,381.44 × 9,547.53
  4. Step 4: Simplify right side
    28,273.98x = 404,638,069.84
  5. Step 5: Solve for x
    x = 404,638,069.84/28,273.98
  6. Step 6: Final answer
    x = 14,311.32

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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.