Home / 25,637.60-35,327.40-18,912.60

Finding the Fourth Proportional to 25,637.60, 35,327.40 and 18,912.60

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Solution

The fourth proportional to 25,637.60, 35,327.40 and 18,912.60 is: 26,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.60 : 35,327.40 = 18,912.60 : x
  2. Step 2: Convert to fraction form
    25,637.60/35,327.40 = 18,912.60/x
  3. Step 3: Cross multiply
    25,637.60x = 35,327.40 × 18,912.60
  4. Step 4: Simplify right side
    25,637.60x = 668,132,985.24
  5. Step 5: Solve for x
    x = 668,132,985.24/25,637.60
  6. Step 6: Final answer
    x = 26,060.67

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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.