Home / 25,289.28-34,888.32-15,856.04

Finding the Fourth Proportional to 25,289.28, 34,888.32 and 15,856.04

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Solution

The fourth proportional to 25,289.28, 34,888.32 and 15,856.04 is: 21,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.28 : 34,888.32 = 15,856.04 : x
  2. Step 2: Convert to fraction form
    25,289.28/34,888.32 = 15,856.04/x
  3. Step 3: Cross multiply
    25,289.28x = 34,888.32 × 15,856.04
  4. Step 4: Simplify right side
    25,289.28x = 553,190,597.45
  5. Step 5: Solve for x
    x = 553,190,597.45/25,289.28
  6. Step 6: Final answer
    x = 21,874.51

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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.