Home / 28,323.93-42,485.90-13,487.87

Finding the Fourth Proportional to 28,323.93, 42,485.90 and 13,487.87

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Solution

The fourth proportional to 28,323.93, 42,485.90 and 13,487.87 is: 20,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.93 : 42,485.90 = 13,487.87 : x
  2. Step 2: Convert to fraction form
    28,323.93/42,485.90 = 13,487.87/x
  3. Step 3: Cross multiply
    28,323.93x = 42,485.90 × 13,487.87
  4. Step 4: Simplify right side
    28,323.93x = 573,044,016.16
  5. Step 5: Solve for x
    x = 573,044,016.16/28,323.93
  6. Step 6: Final answer
    x = 20,231.80

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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.