Home / 25,101.28-34,639.59-13,770.46

Finding the Fourth Proportional to 25,101.28, 34,639.59 and 13,770.46

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Solution

The fourth proportional to 25,101.28, 34,639.59 and 13,770.46 is: 19,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.28 : 34,639.59 = 13,770.46 : x
  2. Step 2: Convert to fraction form
    25,101.28/34,639.59 = 13,770.46/x
  3. Step 3: Cross multiply
    25,101.28x = 34,639.59 × 13,770.46
  4. Step 4: Simplify right side
    25,101.28x = 477,003,088.51
  5. Step 5: Solve for x
    x = 477,003,088.51/25,101.28
  6. Step 6: Final answer
    x = 19,003.14

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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.