Home / 28,698.08-42,966.93-15,503.18

Finding the Fourth Proportional to 28,698.08, 42,966.93 and 15,503.18

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Solution

The fourth proportional to 28,698.08, 42,966.93 and 15,503.18 is: 23,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.08 : 42,966.93 = 15,503.18 : x
  2. Step 2: Convert to fraction form
    28,698.08/42,966.93 = 15,503.18/x
  3. Step 3: Cross multiply
    28,698.08x = 42,966.93 × 15,503.18
  4. Step 4: Simplify right side
    28,698.08x = 666,124,049.84
  5. Step 5: Solve for x
    x = 666,124,049.84/28,698.08
  6. Step 6: Final answer
    x = 23,211.45

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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.