Home / 25,637.45-35,381.03-15,030.50

Finding the Fourth Proportional to 25,637.45, 35,381.03 and 15,030.50

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Solution

The fourth proportional to 25,637.45, 35,381.03 and 15,030.50 is: 20,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.45 : 35,381.03 = 15,030.50 : x
  2. Step 2: Convert to fraction form
    25,637.45/35,381.03 = 15,030.50/x
  3. Step 3: Cross multiply
    25,637.45x = 35,381.03 × 15,030.50
  4. Step 4: Simplify right side
    25,637.45x = 531,794,319.36
  5. Step 5: Solve for x
    x = 531,794,319.36/25,637.45
  6. Step 6: Final answer
    x = 20,742.88

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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.