Home / 25,567.39-35,284.70-15,496.80

Finding the Fourth Proportional to 25,567.39, 35,284.70 and 15,496.80

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Solution

The fourth proportional to 25,567.39, 35,284.70 and 15,496.80 is: 21,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,567.39 : 35,284.70 = 15,496.80 : x
  2. Step 2: Convert to fraction form
    25,567.39/35,284.70 = 15,496.80/x
  3. Step 3: Cross multiply
    25,567.39x = 35,284.70 × 15,496.80
  4. Step 4: Simplify right side
    25,567.39x = 546,799,938.96
  5. Step 5: Solve for x
    x = 546,799,938.96/25,567.39
  6. Step 6: Final answer
    x = 21,386.62

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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.