Home / 26,434.32-36,465.48-15,820.80

Finding the Fourth Proportional to 26,434.32, 36,465.48 and 15,820.80

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Solution

The fourth proportional to 26,434.32, 36,465.48 and 15,820.80 is: 21,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,434.32 : 36,465.48 = 15,820.80 : x
  2. Step 2: Convert to fraction form
    26,434.32/36,465.48 = 15,820.80/x
  3. Step 3: Cross multiply
    26,434.32x = 36,465.48 × 15,820.80
  4. Step 4: Simplify right side
    26,434.32x = 576,913,065.98
  5. Step 5: Solve for x
    x = 576,913,065.98/26,434.32
  6. Step 6: Final answer
    x = 21,824.40

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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.