Home / 25,506.81-35,113.23-21,023.46

Finding the Fourth Proportional to 25,506.81, 35,113.23 and 21,023.46

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Solution

The fourth proportional to 25,506.81, 35,113.23 and 21,023.46 is: 28,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,506.81 : 35,113.23 = 21,023.46 : x
  2. Step 2: Convert to fraction form
    25,506.81/35,113.23 = 21,023.46/x
  3. Step 3: Cross multiply
    25,506.81x = 35,113.23 × 21,023.46
  4. Step 4: Simplify right side
    25,506.81x = 738,201,586.38
  5. Step 5: Solve for x
    x = 738,201,586.38/25,506.81
  6. Step 6: Final answer
    x = 28,941.35

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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.