Home / 25,616.20-35,345.01-15,549.94

Finding the Fourth Proportional to 25,616.20, 35,345.01 and 15,549.94

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Solution

The fourth proportional to 25,616.20, 35,345.01 and 15,549.94 is: 21,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.20 : 35,345.01 = 15,549.94 : x
  2. Step 2: Convert to fraction form
    25,616.20/35,345.01 = 15,549.94/x
  3. Step 3: Cross multiply
    25,616.20x = 35,345.01 × 15,549.94
  4. Step 4: Simplify right side
    25,616.20x = 549,612,784.80
  5. Step 5: Solve for x
    x = 549,612,784.80/25,616.20
  6. Step 6: Final answer
    x = 21,455.67

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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.