Home / 26,310.16-39,465.29-8,780.04

Finding the Fourth Proportional to 26,310.16, 39,465.29 and 8,780.04

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Solution

The fourth proportional to 26,310.16, 39,465.29 and 8,780.04 is: 13,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.16 : 39,465.29 = 8,780.04 : x
  2. Step 2: Convert to fraction form
    26,310.16/39,465.29 = 8,780.04/x
  3. Step 3: Cross multiply
    26,310.16x = 39,465.29 × 8,780.04
  4. Step 4: Simplify right side
    26,310.16x = 346,506,846.76
  5. Step 5: Solve for x
    x = 346,506,846.76/26,310.16
  6. Step 6: Final answer
    x = 13,170.08

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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.