Home / 25,718.91-35,490.41-14,386.44

Finding the Fourth Proportional to 25,718.91, 35,490.41 and 14,386.44

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Solution

The fourth proportional to 25,718.91, 35,490.41 and 14,386.44 is: 19,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.91 : 35,490.41 = 14,386.44 : x
  2. Step 2: Convert to fraction form
    25,718.91/35,490.41 = 14,386.44/x
  3. Step 3: Cross multiply
    25,718.91x = 35,490.41 × 14,386.44
  4. Step 4: Simplify right side
    25,718.91x = 510,580,769.15
  5. Step 5: Solve for x
    x = 510,580,769.15/25,718.91
  6. Step 6: Final answer
    x = 19,852.35

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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.