Home / 28,333.07-39,100.67-15,587.24

Finding the Fourth Proportional to 28,333.07, 39,100.67 and 15,587.24

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Solution

The fourth proportional to 28,333.07, 39,100.67 and 15,587.24 is: 21,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.07 : 39,100.67 = 15,587.24 : x
  2. Step 2: Convert to fraction form
    28,333.07/39,100.67 = 15,587.24/x
  3. Step 3: Cross multiply
    28,333.07x = 39,100.67 × 15,587.24
  4. Step 4: Simplify right side
    28,333.07x = 609,471,664.17
  5. Step 5: Solve for x
    x = 609,471,664.17/28,333.07
  6. Step 6: Final answer
    x = 21,510.96

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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.