Home / 25,304.40-34,885.08-21,061.62

Finding the Fourth Proportional to 25,304.40, 34,885.08 and 21,061.62

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Solution

The fourth proportional to 25,304.40, 34,885.08 and 21,061.62 is: 29,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.40 : 34,885.08 = 21,061.62 : x
  2. Step 2: Convert to fraction form
    25,304.40/34,885.08 = 21,061.62/x
  3. Step 3: Cross multiply
    25,304.40x = 34,885.08 × 21,061.62
  4. Step 4: Simplify right side
    25,304.40x = 734,736,298.63
  5. Step 5: Solve for x
    x = 734,736,298.63/25,304.40
  6. Step 6: Final answer
    x = 29,035.91

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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.