Home / 28,590.77-42,872.83-15,260.16

Finding the Fourth Proportional to 28,590.77, 42,872.83 and 15,260.16

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Solution

The fourth proportional to 28,590.77, 42,872.83 and 15,260.16 is: 22,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.77 : 42,872.83 = 15,260.16 : x
  2. Step 2: Convert to fraction form
    28,590.77/42,872.83 = 15,260.16/x
  3. Step 3: Cross multiply
    28,590.77x = 42,872.83 × 15,260.16
  4. Step 4: Simplify right side
    28,590.77x = 654,246,368.08
  5. Step 5: Solve for x
    x = 654,246,368.08/28,590.77
  6. Step 6: Final answer
    x = 22,883.13

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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.