Home / 25,971.04-35,832.05-15,888.97

Finding the Fourth Proportional to 25,971.04, 35,832.05 and 15,888.97

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Solution

The fourth proportional to 25,971.04, 35,832.05 and 15,888.97 is: 21,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.04 : 35,832.05 = 15,888.97 : x
  2. Step 2: Convert to fraction form
    25,971.04/35,832.05 = 15,888.97/x
  3. Step 3: Cross multiply
    25,971.04x = 35,832.05 × 15,888.97
  4. Step 4: Simplify right side
    25,971.04x = 569,334,392.42
  5. Step 5: Solve for x
    x = 569,334,392.42/25,971.04
  6. Step 6: Final answer
    x = 21,921.89

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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.