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Finding the Fourth Proportional to 25,459, 35,133.90 and 14,281.72

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Solution

The fourth proportional to 25,459, 35,133.90 and 14,281.72 is: 19,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459 : 35,133.90 = 14,281.72 : x
  2. Step 2: Convert to fraction form
    25,459/35,133.90 = 14,281.72/x
  3. Step 3: Cross multiply
    25,459x = 35,133.90 × 14,281.72
  4. Step 4: Simplify right side
    25,459x = 501,772,522.31
  5. Step 5: Solve for x
    x = 501,772,522.31/25,459
  6. Step 6: Final answer
    x = 19,709.04

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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.