Home / 28,680.00-42,927.87-15,319.58

Finding the Fourth Proportional to 28,680.00, 42,927.87 and 15,319.58

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Solution

The fourth proportional to 28,680.00, 42,927.87 and 15,319.58 is: 22,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.00 : 42,927.87 = 15,319.58 : x
  2. Step 2: Convert to fraction form
    28,680.00/42,927.87 = 15,319.58/x
  3. Step 3: Cross multiply
    28,680.00x = 42,927.87 × 15,319.58
  4. Step 4: Simplify right side
    28,680.00x = 657,637,101.81
  5. Step 5: Solve for x
    x = 657,637,101.81/28,680.00
  6. Step 6: Final answer
    x = 22,930.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.