Home / 25,426.42-38,130.27-8,782.18

Finding the Fourth Proportional to 25,426.42, 38,130.27 and 8,782.18

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Solution

The fourth proportional to 25,426.42, 38,130.27 and 8,782.18 is: 13,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.42 : 38,130.27 = 8,782.18 : x
  2. Step 2: Convert to fraction form
    25,426.42/38,130.27 = 8,782.18/x
  3. Step 3: Cross multiply
    25,426.42x = 38,130.27 × 8,782.18
  4. Step 4: Simplify right side
    25,426.42x = 334,866,894.59
  5. Step 5: Solve for x
    x = 334,866,894.59/25,426.42
  6. Step 6: Final answer
    x = 13,170.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.