Home / 28,307.44-39,066.72-15,733

Finding the Fourth Proportional to 28,307.44, 39,066.72 and 15,733

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Solution

The fourth proportional to 28,307.44, 39,066.72 and 15,733 is: 21,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.44 : 39,066.72 = 15,733 : x
  2. Step 2: Convert to fraction form
    28,307.44/39,066.72 = 15,733/x
  3. Step 3: Cross multiply
    28,307.44x = 39,066.72 × 15,733
  4. Step 4: Simplify right side
    28,307.44x = 614,636,705.76
  5. Step 5: Solve for x
    x = 614,636,705.76/28,307.44
  6. Step 6: Final answer
    x = 21,712.90

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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.