Home / 27,864.02-38,452.70-15,117.29

Finding the Fourth Proportional to 27,864.02, 38,452.70 and 15,117.29

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Solution

The fourth proportional to 27,864.02, 38,452.70 and 15,117.29 is: 20,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.02 : 38,452.70 = 15,117.29 : x
  2. Step 2: Convert to fraction form
    27,864.02/38,452.70 = 15,117.29/x
  3. Step 3: Cross multiply
    27,864.02x = 38,452.70 × 15,117.29
  4. Step 4: Simplify right side
    27,864.02x = 581,300,617.18
  5. Step 5: Solve for x
    x = 581,300,617.18/27,864.02
  6. Step 6: Final answer
    x = 20,862.05

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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.