Home / 25,316.89-34,934.29-13,985.70

Finding the Fourth Proportional to 25,316.89, 34,934.29 and 13,985.70

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Solution

The fourth proportional to 25,316.89, 34,934.29 and 13,985.70 is: 19,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.89 : 34,934.29 = 13,985.70 : x
  2. Step 2: Convert to fraction form
    25,316.89/34,934.29 = 13,985.70/x
  3. Step 3: Cross multiply
    25,316.89x = 34,934.29 × 13,985.70
  4. Step 4: Simplify right side
    25,316.89x = 488,580,333.69
  5. Step 5: Solve for x
    x = 488,580,333.69/25,316.89
  6. Step 6: Final answer
    x = 19,298.59

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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.