Home / 28,330.04-39,094.90-15,754.52

Finding the Fourth Proportional to 28,330.04, 39,094.90 and 15,754.52

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Solution

The fourth proportional to 28,330.04, 39,094.90 and 15,754.52 is: 21,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.04 : 39,094.90 = 15,754.52 : x
  2. Step 2: Convert to fraction form
    28,330.04/39,094.90 = 15,754.52/x
  3. Step 3: Cross multiply
    28,330.04x = 39,094.90 × 15,754.52
  4. Step 4: Simplify right side
    28,330.04x = 615,921,383.95
  5. Step 5: Solve for x
    x = 615,921,383.95/28,330.04
  6. Step 6: Final answer
    x = 21,740.93

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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.