Home / 28,558.81-42,877.54-14,528.34

Finding the Fourth Proportional to 28,558.81, 42,877.54 and 14,528.34

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Solution

The fourth proportional to 28,558.81, 42,877.54 and 14,528.34 is: 21,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.81 : 42,877.54 = 14,528.34 : x
  2. Step 2: Convert to fraction form
    28,558.81/42,877.54 = 14,528.34/x
  3. Step 3: Cross multiply
    28,558.81x = 42,877.54 × 14,528.34
  4. Step 4: Simplify right side
    28,558.81x = 622,939,406.84
  5. Step 5: Solve for x
    x = 622,939,406.84/28,558.81
  6. Step 6: Final answer
    x = 21,812.51

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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.