Home / 25,482.36-38,208.40-9,688.55

Finding the Fourth Proportional to 25,482.36, 38,208.40 and 9,688.55

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Solution

The fourth proportional to 25,482.36, 38,208.40 and 9,688.55 is: 14,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,482.36 : 38,208.40 = 9,688.55 : x
  2. Step 2: Convert to fraction form
    25,482.36/38,208.40 = 9,688.55/x
  3. Step 3: Cross multiply
    25,482.36x = 38,208.40 × 9,688.55
  4. Step 4: Simplify right side
    25,482.36x = 370,184,021.49
  5. Step 5: Solve for x
    x = 370,184,021.49/25,482.36
  6. Step 6: Final answer
    x = 14,527.07

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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.