Home / 25,134.42-34,684.13-13,805.40

Finding the Fourth Proportional to 25,134.42, 34,684.13 and 13,805.40

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Solution

The fourth proportional to 25,134.42, 34,684.13 and 13,805.40 is: 19,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.42 : 34,684.13 = 13,805.40 : x
  2. Step 2: Convert to fraction form
    25,134.42/34,684.13 = 13,805.40/x
  3. Step 3: Cross multiply
    25,134.42x = 34,684.13 × 13,805.40
  4. Step 4: Simplify right side
    25,134.42x = 478,828,219.28
  5. Step 5: Solve for x
    x = 478,828,219.28/25,134.42
  6. Step 6: Final answer
    x = 19,050.70

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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.