Home / 18,903.23-28,354.84-18,875.89

Finding the Fourth Proportional to 18,903.23, 28,354.84 and 18,875.89

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Solution

The fourth proportional to 18,903.23, 28,354.84 and 18,875.89 is: 28,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.23 : 28,354.84 = 18,875.89 : x
  2. Step 2: Convert to fraction form
    18,903.23/28,354.84 = 18,875.89/x
  3. Step 3: Cross multiply
    18,903.23x = 28,354.84 × 18,875.89
  4. Step 4: Simplify right side
    18,903.23x = 535,222,840.81
  5. Step 5: Solve for x
    x = 535,222,840.81/18,903.23
  6. Step 6: Final answer
    x = 28,313.83

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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.