Home / 27,159.68-37,477.08-15,220.28

Finding the Fourth Proportional to 27,159.68, 37,477.08 and 15,220.28

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Solution

The fourth proportional to 27,159.68, 37,477.08 and 15,220.28 is: 21,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.68 : 37,477.08 = 15,220.28 : x
  2. Step 2: Convert to fraction form
    27,159.68/37,477.08 = 15,220.28/x
  3. Step 3: Cross multiply
    27,159.68x = 37,477.08 × 15,220.28
  4. Step 4: Simplify right side
    27,159.68x = 570,411,651.18
  5. Step 5: Solve for x
    x = 570,411,651.18/27,159.68
  6. Step 6: Final answer
    x = 21,002.15

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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.