Home / 25,718.81-35,489.63-16,287.17

Finding the Fourth Proportional to 25,718.81, 35,489.63 and 16,287.17

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Solution

The fourth proportional to 25,718.81, 35,489.63 and 16,287.17 is: 22,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.81 : 35,489.63 = 16,287.17 : x
  2. Step 2: Convert to fraction form
    25,718.81/35,489.63 = 16,287.17/x
  3. Step 3: Cross multiply
    25,718.81x = 35,489.63 × 16,287.17
  4. Step 4: Simplify right side
    25,718.81x = 578,025,555.61
  5. Step 5: Solve for x
    x = 578,025,555.61/25,718.81
  6. Step 6: Final answer
    x = 22,474.82

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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.