Home / 28,268.02-42,402.27-7,491.52

Finding the Fourth Proportional to 28,268.02, 42,402.27 and 7,491.52

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Solution

The fourth proportional to 28,268.02, 42,402.27 and 7,491.52 is: 11,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.02 : 42,402.27 = 7,491.52 : x
  2. Step 2: Convert to fraction form
    28,268.02/42,402.27 = 7,491.52/x
  3. Step 3: Cross multiply
    28,268.02x = 42,402.27 × 7,491.52
  4. Step 4: Simplify right side
    28,268.02x = 317,657,453.75
  5. Step 5: Solve for x
    x = 317,657,453.75/28,268.02
  6. Step 6: Final answer
    x = 11,237.34

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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.