Home / 27,355.64-37,750.80-14,780.40

Finding the Fourth Proportional to 27,355.64, 37,750.80 and 14,780.40

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Solution

The fourth proportional to 27,355.64, 37,750.80 and 14,780.40 is: 20,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.64 : 37,750.80 = 14,780.40 : x
  2. Step 2: Convert to fraction form
    27,355.64/37,750.80 = 14,780.40/x
  3. Step 3: Cross multiply
    27,355.64x = 37,750.80 × 14,780.40
  4. Step 4: Simplify right side
    27,355.64x = 557,971,924.32
  5. Step 5: Solve for x
    x = 557,971,924.32/27,355.64
  6. Step 6: Final answer
    x = 20,396.96

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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.