Home / 27,279.02-37,666.23-21,300.32

Finding the Fourth Proportional to 27,279.02, 37,666.23 and 21,300.32

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Solution

The fourth proportional to 27,279.02, 37,666.23 and 21,300.32 is: 29,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.02 : 37,666.23 = 21,300.32 : x
  2. Step 2: Convert to fraction form
    27,279.02/37,666.23 = 21,300.32/x
  3. Step 3: Cross multiply
    27,279.02x = 37,666.23 × 21,300.32
  4. Step 4: Simplify right side
    27,279.02x = 802,302,752.19
  5. Step 5: Solve for x
    x = 802,302,752.19/27,279.02
  6. Step 6: Final answer
    x = 29,410.98

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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.