Home / 27,916.08-38,484.36-19,955.40

Finding the Fourth Proportional to 27,916.08, 38,484.36 and 19,955.40

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Solution

The fourth proportional to 27,916.08, 38,484.36 and 19,955.40 is: 27,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.08 : 38,484.36 = 19,955.40 : x
  2. Step 2: Convert to fraction form
    27,916.08/38,484.36 = 19,955.40/x
  3. Step 3: Cross multiply
    27,916.08x = 38,484.36 × 19,955.40
  4. Step 4: Simplify right side
    27,916.08x = 767,970,797.54
  5. Step 5: Solve for x
    x = 767,970,797.54/27,916.08
  6. Step 6: Final answer
    x = 27,509.98

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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.