Home / 27,645.84-38,151.40-15,070.16

Finding the Fourth Proportional to 27,645.84, 38,151.40 and 15,070.16

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Solution

The fourth proportional to 27,645.84, 38,151.40 and 15,070.16 is: 20,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.84 : 38,151.40 = 15,070.16 : x
  2. Step 2: Convert to fraction form
    27,645.84/38,151.40 = 15,070.16/x
  3. Step 3: Cross multiply
    27,645.84x = 38,151.40 × 15,070.16
  4. Step 4: Simplify right side
    27,645.84x = 574,947,702.22
  5. Step 5: Solve for x
    x = 574,947,702.22/27,645.84
  6. Step 6: Final answer
    x = 20,796.90

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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.