Home / 25,242.81-34,835.22-14,638.74

Finding the Fourth Proportional to 25,242.81, 34,835.22 and 14,638.74

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Solution

The fourth proportional to 25,242.81, 34,835.22 and 14,638.74 is: 20,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.81 : 34,835.22 = 14,638.74 : x
  2. Step 2: Convert to fraction form
    25,242.81/34,835.22 = 14,638.74/x
  3. Step 3: Cross multiply
    25,242.81x = 34,835.22 × 14,638.74
  4. Step 4: Simplify right side
    25,242.81x = 509,943,728.42
  5. Step 5: Solve for x
    x = 509,943,728.42/25,242.81
  6. Step 6: Final answer
    x = 20,201.54

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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.