Home / 25,756.18-35,532.37-15,551.39

Finding the Fourth Proportional to 25,756.18, 35,532.37 and 15,551.39

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Solution

The fourth proportional to 25,756.18, 35,532.37 and 15,551.39 is: 21,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.18 : 35,532.37 = 15,551.39 : x
  2. Step 2: Convert to fraction form
    25,756.18/35,532.37 = 15,551.39/x
  3. Step 3: Cross multiply
    25,756.18x = 35,532.37 × 15,551.39
  4. Step 4: Simplify right side
    25,756.18x = 552,577,851.76
  5. Step 5: Solve for x
    x = 552,577,851.76/25,756.18
  6. Step 6: Final answer
    x = 21,454.19

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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.