Home / 25,660.98-38,491.06-21,269.16

Finding the Fourth Proportional to 25,660.98, 38,491.06 and 21,269.16

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Solution

The fourth proportional to 25,660.98, 38,491.06 and 21,269.16 is: 31,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.98 : 38,491.06 = 21,269.16 : x
  2. Step 2: Convert to fraction form
    25,660.98/38,491.06 = 21,269.16/x
  3. Step 3: Cross multiply
    25,660.98x = 38,491.06 × 21,269.16
  4. Step 4: Simplify right side
    25,660.98x = 818,672,513.71
  5. Step 5: Solve for x
    x = 818,672,513.71/25,660.98
  6. Step 6: Final answer
    x = 31,903.40

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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.