Home / 25,168.64-34,730.67-14,818.75

Finding the Fourth Proportional to 25,168.64, 34,730.67 and 14,818.75

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Solution

The fourth proportional to 25,168.64, 34,730.67 and 14,818.75 is: 20,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.64 : 34,730.67 = 14,818.75 : x
  2. Step 2: Convert to fraction form
    25,168.64/34,730.67 = 14,818.75/x
  3. Step 3: Cross multiply
    25,168.64x = 34,730.67 × 14,818.75
  4. Step 4: Simplify right side
    25,168.64x = 514,665,084.81
  5. Step 5: Solve for x
    x = 514,665,084.81/25,168.64
  6. Step 6: Final answer
    x = 20,448.66

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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.