Home / 25,417.80-38,150.04-12,946.68

Finding the Fourth Proportional to 25,417.80, 38,150.04 and 12,946.68

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Solution

The fourth proportional to 25,417.80, 38,150.04 and 12,946.68 is: 19,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.80 : 38,150.04 = 12,946.68 : x
  2. Step 2: Convert to fraction form
    25,417.80/38,150.04 = 12,946.68/x
  3. Step 3: Cross multiply
    25,417.80x = 38,150.04 × 12,946.68
  4. Step 4: Simplify right side
    25,417.80x = 493,916,359.87
  5. Step 5: Solve for x
    x = 493,916,359.87/25,417.80
  6. Step 6: Final answer
    x = 19,431.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.