Home / 25,981.71-35,854.79-14,045.05

Finding the Fourth Proportional to 25,981.71, 35,854.79 and 14,045.05

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Solution

The fourth proportional to 25,981.71, 35,854.79 and 14,045.05 is: 19,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.71 : 35,854.79 = 14,045.05 : x
  2. Step 2: Convert to fraction form
    25,981.71/35,854.79 = 14,045.05/x
  3. Step 3: Cross multiply
    25,981.71x = 35,854.79 × 14,045.05
  4. Step 4: Simplify right side
    25,981.71x = 503,582,158.43
  5. Step 5: Solve for x
    x = 503,582,158.43/25,981.71
  6. Step 6: Final answer
    x = 19,382.18

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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.