Home / 25,802.00-38,670.62-13,955.30

Finding the Fourth Proportional to 25,802.00, 38,670.62 and 13,955.30

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Solution

The fourth proportional to 25,802.00, 38,670.62 and 13,955.30 is: 20,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.00 : 38,670.62 = 13,955.30 : x
  2. Step 2: Convert to fraction form
    25,802.00/38,670.62 = 13,955.30/x
  3. Step 3: Cross multiply
    25,802.00x = 38,670.62 × 13,955.30
  4. Step 4: Simplify right side
    25,802.00x = 539,659,840.16
  5. Step 5: Solve for x
    x = 539,659,840.16/25,802.00
  6. Step 6: Final answer
    x = 20,915.43

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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.