Home / 27,554.28-38,023.30-14,978.92

Finding the Fourth Proportional to 27,554.28, 38,023.30 and 14,978.92

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Solution

The fourth proportional to 27,554.28, 38,023.30 and 14,978.92 is: 20,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.28 : 38,023.30 = 14,978.92 : x
  2. Step 2: Convert to fraction form
    27,554.28/38,023.30 = 14,978.92/x
  3. Step 3: Cross multiply
    27,554.28x = 38,023.30 × 14,978.92
  4. Step 4: Simplify right side
    27,554.28x = 569,547,968.84
  5. Step 5: Solve for x
    x = 569,547,968.84/27,554.28
  6. Step 6: Final answer
    x = 20,670.04

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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.