Home / 28,327.55-42,491.16-7,267.55

Finding the Fourth Proportional to 28,327.55, 42,491.16 and 7,267.55

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Solution

The fourth proportional to 28,327.55, 42,491.16 and 7,267.55 is: 10,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.55 : 42,491.16 = 7,267.55 : x
  2. Step 2: Convert to fraction form
    28,327.55/42,491.16 = 7,267.55/x
  3. Step 3: Cross multiply
    28,327.55x = 42,491.16 × 7,267.55
  4. Step 4: Simplify right side
    28,327.55x = 308,806,417.40
  5. Step 5: Solve for x
    x = 308,806,417.40/28,327.55
  6. Step 6: Final answer
    x = 10,901.28

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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.