Home / 25,688.03-35,460.38-15,619.67

Finding the Fourth Proportional to 25,688.03, 35,460.38 and 15,619.67

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Solution

The fourth proportional to 25,688.03, 35,460.38 and 15,619.67 is: 21,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.03 : 35,460.38 = 15,619.67 : x
  2. Step 2: Convert to fraction form
    25,688.03/35,460.38 = 15,619.67/x
  3. Step 3: Cross multiply
    25,688.03x = 35,460.38 × 15,619.67
  4. Step 4: Simplify right side
    25,688.03x = 553,879,178.27
  5. Step 5: Solve for x
    x = 553,879,178.27/25,688.03
  6. Step 6: Final answer
    x = 21,561.77

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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.