Home / 25,528.68-35,219.75-18,830.18

Finding the Fourth Proportional to 25,528.68, 35,219.75 and 18,830.18

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Solution

The fourth proportional to 25,528.68, 35,219.75 and 18,830.18 is: 25,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.68 : 35,219.75 = 18,830.18 : x
  2. Step 2: Convert to fraction form
    25,528.68/35,219.75 = 18,830.18/x
  3. Step 3: Cross multiply
    25,528.68x = 35,219.75 × 18,830.18
  4. Step 4: Simplify right side
    25,528.68x = 663,194,225.95
  5. Step 5: Solve for x
    x = 663,194,225.95/25,528.68
  6. Step 6: Final answer
    x = 25,978.40

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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.