Home / 25,280.68-34,880.34-16,328.56

Finding the Fourth Proportional to 25,280.68, 34,880.34 and 16,328.56

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Solution

The fourth proportional to 25,280.68, 34,880.34 and 16,328.56 is: 22,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.68 : 34,880.34 = 16,328.56 : x
  2. Step 2: Convert to fraction form
    25,280.68/34,880.34 = 16,328.56/x
  3. Step 3: Cross multiply
    25,280.68x = 34,880.34 × 16,328.56
  4. Step 4: Simplify right side
    25,280.68x = 569,545,724.51
  5. Step 5: Solve for x
    x = 569,545,724.51/25,280.68
  6. Step 6: Final answer
    x = 22,528.89

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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.