Home / 28,090.74-42,101.01-14,054.79

Finding the Fourth Proportional to 28,090.74, 42,101.01 and 14,054.79

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Solution

The fourth proportional to 28,090.74, 42,101.01 and 14,054.79 is: 21,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.74 : 42,101.01 = 14,054.79 : x
  2. Step 2: Convert to fraction form
    28,090.74/42,101.01 = 14,054.79/x
  3. Step 3: Cross multiply
    28,090.74x = 42,101.01 × 14,054.79
  4. Step 4: Simplify right side
    28,090.74x = 591,720,854.34
  5. Step 5: Solve for x
    x = 591,720,854.34/28,090.74
  6. Step 6: Final answer
    x = 21,064.62

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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.