Home / 25,328.34-34,953.24-13,997.70

Finding the Fourth Proportional to 25,328.34, 34,953.24 and 13,997.70

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Solution

The fourth proportional to 25,328.34, 34,953.24 and 13,997.70 is: 19,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.34 : 34,953.24 = 13,997.70 : x
  2. Step 2: Convert to fraction form
    25,328.34/34,953.24 = 13,997.70/x
  3. Step 3: Cross multiply
    25,328.34x = 34,953.24 × 13,997.70
  4. Step 4: Simplify right side
    25,328.34x = 489,264,967.55
  5. Step 5: Solve for x
    x = 489,264,967.55/25,328.34
  6. Step 6: Final answer
    x = 19,316.90

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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.