Home / 25,881.08-35,715.42-14,396.72

Finding the Fourth Proportional to 25,881.08, 35,715.42 and 14,396.72

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Solution

The fourth proportional to 25,881.08, 35,715.42 and 14,396.72 is: 19,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.08 : 35,715.42 = 14,396.72 : x
  2. Step 2: Convert to fraction form
    25,881.08/35,715.42 = 14,396.72/x
  3. Step 3: Cross multiply
    25,881.08x = 35,715.42 × 14,396.72
  4. Step 4: Simplify right side
    25,881.08x = 514,184,901.42
  5. Step 5: Solve for x
    x = 514,184,901.42/25,881.08
  6. Step 6: Final answer
    x = 19,867.21

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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.