Home / 28,207.48-42,336.60-15,071.08

Finding the Fourth Proportional to 28,207.48, 42,336.60 and 15,071.08

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Solution

The fourth proportional to 28,207.48, 42,336.60 and 15,071.08 is: 22,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.48 : 42,336.60 = 15,071.08 : x
  2. Step 2: Convert to fraction form
    28,207.48/42,336.60 = 15,071.08/x
  3. Step 3: Cross multiply
    28,207.48x = 42,336.60 × 15,071.08
  4. Step 4: Simplify right side
    28,207.48x = 638,058,285.53
  5. Step 5: Solve for x
    x = 638,058,285.53/28,207.48
  6. Step 6: Final answer
    x = 22,620.18

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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.