Home / 25,389.80-35,037.68-14,630.72

Finding the Fourth Proportional to 25,389.80, 35,037.68 and 14,630.72

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Solution

The fourth proportional to 25,389.80, 35,037.68 and 14,630.72 is: 20,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.80 : 35,037.68 = 14,630.72 : x
  2. Step 2: Convert to fraction form
    25,389.80/35,037.68 = 14,630.72/x
  3. Step 3: Cross multiply
    25,389.80x = 35,037.68 × 14,630.72
  4. Step 4: Simplify right side
    25,389.80x = 512,626,423.44
  5. Step 5: Solve for x
    x = 512,626,423.44/25,389.80
  6. Step 6: Final answer
    x = 20,190.25

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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.