Home / 52,920.32-79,375.65-17,860.28

Finding the Fourth Proportional to 52,920.32, 79,375.65 and 17,860.28

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Solution

The fourth proportional to 52,920.32, 79,375.65 and 17,860.28 is: 26,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,920.32 : 79,375.65 = 17,860.28 : x
  2. Step 2: Convert to fraction form
    52,920.32/79,375.65 = 17,860.28/x
  3. Step 3: Cross multiply
    52,920.32x = 79,375.65 × 17,860.28
  4. Step 4: Simplify right side
    52,920.32x = 1,417,671,334.18
  5. Step 5: Solve for x
    x = 1,417,671,334.18/52,920.32
  6. Step 6: Final answer
    x = 26,788.79

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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.