Home / 28,901.01-43,353.65-12,259.16

Finding the Fourth Proportional to 28,901.01, 43,353.65 and 12,259.16

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Solution

The fourth proportional to 28,901.01, 43,353.65 and 12,259.16 is: 18,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.01 : 43,353.65 = 12,259.16 : x
  2. Step 2: Convert to fraction form
    28,901.01/43,353.65 = 12,259.16/x
  3. Step 3: Cross multiply
    28,901.01x = 43,353.65 × 12,259.16
  4. Step 4: Simplify right side
    28,901.01x = 531,479,239.43
  5. Step 5: Solve for x
    x = 531,479,239.43/28,901.01
  6. Step 6: Final answer
    x = 18,389.64

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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.