Home / 25,341.12-38,011.68-17,555.40

Finding the Fourth Proportional to 25,341.12, 38,011.68 and 17,555.40

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Solution

The fourth proportional to 25,341.12, 38,011.68 and 17,555.40 is: 26,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.12 : 38,011.68 = 17,555.40 : x
  2. Step 2: Convert to fraction form
    25,341.12/38,011.68 = 17,555.40/x
  3. Step 3: Cross multiply
    25,341.12x = 38,011.68 × 17,555.40
  4. Step 4: Simplify right side
    25,341.12x = 667,310,247.07
  5. Step 5: Solve for x
    x = 667,310,247.07/25,341.12
  6. Step 6: Final answer
    x = 26,333.10

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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.