Home / 30,017.28-45,024.28-15,225.81

Finding the Fourth Proportional to 30,017.28, 45,024.28 and 15,225.81

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Solution

The fourth proportional to 30,017.28, 45,024.28 and 15,225.81 is: 22,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.28 : 45,024.28 = 15,225.81 : x
  2. Step 2: Convert to fraction form
    30,017.28/45,024.28 = 15,225.81/x
  3. Step 3: Cross multiply
    30,017.28x = 45,024.28 × 15,225.81
  4. Step 4: Simplify right side
    30,017.28x = 685,531,132.67
  5. Step 5: Solve for x
    x = 685,531,132.67/30,017.28
  6. Step 6: Final answer
    x = 22,837.88

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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.