Home / 25,703.55-38,555.33-13,206.15

Finding the Fourth Proportional to 25,703.55, 38,555.33 and 13,206.15

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Solution

The fourth proportional to 25,703.55, 38,555.33 and 13,206.15 is: 19,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.55 : 38,555.33 = 13,206.15 : x
  2. Step 2: Convert to fraction form
    25,703.55/38,555.33 = 13,206.15/x
  3. Step 3: Cross multiply
    25,703.55x = 38,555.33 × 13,206.15
  4. Step 4: Simplify right side
    25,703.55x = 509,167,405.25
  5. Step 5: Solve for x
    x = 509,167,405.25/25,703.55
  6. Step 6: Final answer
    x = 19,809.23

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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.