Home / 28,064.96-42,088.80-14,212.16

Finding the Fourth Proportional to 28,064.96, 42,088.80 and 14,212.16

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Solution

The fourth proportional to 28,064.96, 42,088.80 and 14,212.16 is: 21,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.96 : 42,088.80 = 14,212.16 : x
  2. Step 2: Convert to fraction form
    28,064.96/42,088.80 = 14,212.16/x
  3. Step 3: Cross multiply
    28,064.96x = 42,088.80 × 14,212.16
  4. Step 4: Simplify right side
    28,064.96x = 598,172,759.81
  5. Step 5: Solve for x
    x = 598,172,759.81/28,064.96
  6. Step 6: Final answer
    x = 21,313.86

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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.