Home / 27,938.16-38,554.94-15,363

Finding the Fourth Proportional to 27,938.16, 38,554.94 and 15,363

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Solution

The fourth proportional to 27,938.16, 38,554.94 and 15,363 is: 21,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.16 : 38,554.94 = 15,363 : x
  2. Step 2: Convert to fraction form
    27,938.16/38,554.94 = 15,363/x
  3. Step 3: Cross multiply
    27,938.16x = 38,554.94 × 15,363
  4. Step 4: Simplify right side
    27,938.16x = 592,319,543.22
  5. Step 5: Solve for x
    x = 592,319,543.22/27,938.16
  6. Step 6: Final answer
    x = 21,201.09

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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.