Home / 27,815.15-38,384.99-15,068.46

Finding the Fourth Proportional to 27,815.15, 38,384.99 and 15,068.46

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Solution

The fourth proportional to 27,815.15, 38,384.99 and 15,068.46 is: 20,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.15 : 38,384.99 = 15,068.46 : x
  2. Step 2: Convert to fraction form
    27,815.15/38,384.99 = 15,068.46/x
  3. Step 3: Cross multiply
    27,815.15x = 38,384.99 × 15,068.46
  4. Step 4: Simplify right side
    27,815.15x = 578,402,611.07
  5. Step 5: Solve for x
    x = 578,402,611.07/27,815.15
  6. Step 6: Final answer
    x = 20,794.52

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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.