Home / 25,601.77-38,406.50-7,135.21

Finding the Fourth Proportional to 25,601.77, 38,406.50 and 7,135.21

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Solution

The fourth proportional to 25,601.77, 38,406.50 and 7,135.21 is: 10,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.77 : 38,406.50 = 7,135.21 : x
  2. Step 2: Convert to fraction form
    25,601.77/38,406.50 = 7,135.21/x
  3. Step 3: Cross multiply
    25,601.77x = 38,406.50 × 7,135.21
  4. Step 4: Simplify right side
    25,601.77x = 274,038,407.19
  5. Step 5: Solve for x
    x = 274,038,407.19/25,601.77
  6. Step 6: Final answer
    x = 10,703.89

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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.