Home / 25,210.20-34,820.64-18,486.12

Finding the Fourth Proportional to 25,210.20, 34,820.64 and 18,486.12

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Solution

The fourth proportional to 25,210.20, 34,820.64 and 18,486.12 is: 25,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.20 : 34,820.64 = 18,486.12 : x
  2. Step 2: Convert to fraction form
    25,210.20/34,820.64 = 18,486.12/x
  3. Step 3: Cross multiply
    25,210.20x = 34,820.64 × 18,486.12
  4. Step 4: Simplify right side
    25,210.20x = 643,698,529.52
  5. Step 5: Solve for x
    x = 643,698,529.52/25,210.20
  6. Step 6: Final answer
    x = 25,533.26

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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.