Home / 28,306.23-42,459.41-9,586.45

Finding the Fourth Proportional to 28,306.23, 42,459.41 and 9,586.45

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Solution

The fourth proportional to 28,306.23, 42,459.41 and 9,586.45 is: 14,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.23 : 42,459.41 = 9,586.45 : x
  2. Step 2: Convert to fraction form
    28,306.23/42,459.41 = 9,586.45/x
  3. Step 3: Cross multiply
    28,306.23x = 42,459.41 × 9,586.45
  4. Step 4: Simplify right side
    28,306.23x = 407,035,010.99
  5. Step 5: Solve for x
    x = 407,035,010.99/28,306.23
  6. Step 6: Final answer
    x = 14,379.70

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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.