Home / 25,047.81-37,572.93-20,657.25

Finding the Fourth Proportional to 25,047.81, 37,572.93 and 20,657.25

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Solution

The fourth proportional to 25,047.81, 37,572.93 and 20,657.25 is: 30,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.81 : 37,572.93 = 20,657.25 : x
  2. Step 2: Convert to fraction form
    25,047.81/37,572.93 = 20,657.25/x
  3. Step 3: Cross multiply
    25,047.81x = 37,572.93 × 20,657.25
  4. Step 4: Simplify right side
    25,047.81x = 776,153,408.24
  5. Step 5: Solve for x
    x = 776,153,408.24/25,047.81
  6. Step 6: Final answer
    x = 30,986.88

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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.