Home / 27,935.61-38,545.62-15,671.43

Finding the Fourth Proportional to 27,935.61, 38,545.62 and 15,671.43

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Solution

The fourth proportional to 27,935.61, 38,545.62 and 15,671.43 is: 21,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.61 : 38,545.62 = 15,671.43 : x
  2. Step 2: Convert to fraction form
    27,935.61/38,545.62 = 15,671.43/x
  3. Step 3: Cross multiply
    27,935.61x = 38,545.62 × 15,671.43
  4. Step 4: Simplify right side
    27,935.61x = 604,064,985.64
  5. Step 5: Solve for x
    x = 604,064,985.64/27,935.61
  6. Step 6: Final answer
    x = 21,623.48

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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.