Home / 25,842.32-38,939.31-21,264.99

Finding the Fourth Proportional to 25,842.32, 38,939.31 and 21,264.99

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Solution

The fourth proportional to 25,842.32, 38,939.31 and 21,264.99 is: 32,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.32 : 38,939.31 = 21,264.99 : x
  2. Step 2: Convert to fraction form
    25,842.32/38,939.31 = 21,264.99/x
  3. Step 3: Cross multiply
    25,842.32x = 38,939.31 × 21,264.99
  4. Step 4: Simplify right side
    25,842.32x = 828,044,037.76
  5. Step 5: Solve for x
    x = 828,044,037.76/25,842.32
  6. Step 6: Final answer
    x = 32,042.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.