Home / 20,341.51-28,074.62-13,962.84

Finding the Fourth Proportional to 20,341.51, 28,074.62 and 13,962.84

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Solution

The fourth proportional to 20,341.51, 28,074.62 and 13,962.84 is: 19,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.51 : 28,074.62 = 13,962.84 : x
  2. Step 2: Convert to fraction form
    20,341.51/28,074.62 = 13,962.84/x
  3. Step 3: Cross multiply
    20,341.51x = 28,074.62 × 13,962.84
  4. Step 4: Simplify right side
    20,341.51x = 392,001,462.03
  5. Step 5: Solve for x
    x = 392,001,462.03/20,341.51
  6. Step 6: Final answer
    x = 19,271.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.