Home / 27,646.98-38,154.16-15,551.25

Finding the Fourth Proportional to 27,646.98, 38,154.16 and 15,551.25

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Solution

The fourth proportional to 27,646.98, 38,154.16 and 15,551.25 is: 21,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.98 : 38,154.16 = 15,551.25 : x
  2. Step 2: Convert to fraction form
    27,646.98/38,154.16 = 15,551.25/x
  3. Step 3: Cross multiply
    27,646.98x = 38,154.16 × 15,551.25
  4. Step 4: Simplify right side
    27,646.98x = 593,344,880.70
  5. Step 5: Solve for x
    x = 593,344,880.70/27,646.98
  6. Step 6: Final answer
    x = 21,461.47

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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.