Home / 27,279.02-37,639.40-15,946.32

Finding the Fourth Proportional to 27,279.02, 37,639.40 and 15,946.32

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Solution

The fourth proportional to 27,279.02, 37,639.40 and 15,946.32 is: 22,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.02 : 37,639.40 = 15,946.32 : x
  2. Step 2: Convert to fraction form
    27,279.02/37,639.40 = 15,946.32/x
  3. Step 3: Cross multiply
    27,279.02x = 37,639.40 × 15,946.32
  4. Step 4: Simplify right side
    27,279.02x = 600,209,837.28
  5. Step 5: Solve for x
    x = 600,209,837.28/27,279.02
  6. Step 6: Final answer
    x = 22,002.62

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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.