Home / 28,703.04-39,610.17-15,955.83

Finding the Fourth Proportional to 28,703.04, 39,610.17 and 15,955.83

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Solution

The fourth proportional to 28,703.04, 39,610.17 and 15,955.83 is: 22,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.04 : 39,610.17 = 15,955.83 : x
  2. Step 2: Convert to fraction form
    28,703.04/39,610.17 = 15,955.83/x
  3. Step 3: Cross multiply
    28,703.04x = 39,610.17 × 15,955.83
  4. Step 4: Simplify right side
    28,703.04x = 632,013,138.79
  5. Step 5: Solve for x
    x = 632,013,138.79/28,703.04
  6. Step 6: Final answer
    x = 22,019.03

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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.