Home / 27,957.02-38,581.34-15,210.93

Finding the Fourth Proportional to 27,957.02, 38,581.34 and 15,210.93

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Solution

The fourth proportional to 27,957.02, 38,581.34 and 15,210.93 is: 20,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.02 : 38,581.34 = 15,210.93 : x
  2. Step 2: Convert to fraction form
    27,957.02/38,581.34 = 15,210.93/x
  3. Step 3: Cross multiply
    27,957.02x = 38,581.34 × 15,210.93
  4. Step 4: Simplify right side
    27,957.02x = 586,857,985.99
  5. Step 5: Solve for x
    x = 586,857,985.99/27,957.02
  6. Step 6: Final answer
    x = 20,991.43

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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.