Home / 25,740.69-35,522.42-15,130.50

Finding the Fourth Proportional to 25,740.69, 35,522.42 and 15,130.50

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Solution

The fourth proportional to 25,740.69, 35,522.42 and 15,130.50 is: 20,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.69 : 35,522.42 = 15,130.50 : x
  2. Step 2: Convert to fraction form
    25,740.69/35,522.42 = 15,130.50/x
  3. Step 3: Cross multiply
    25,740.69x = 35,522.42 × 15,130.50
  4. Step 4: Simplify right side
    25,740.69x = 537,471,900.16
  5. Step 5: Solve for x
    x = 537,471,900.16/25,740.69
  6. Step 6: Final answer
    x = 20,880.24

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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.