Home / 19,877.00-27,430.31-10,925.42

Finding the Fourth Proportional to 19,877.00, 27,430.31 and 10,925.42

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Solution

The fourth proportional to 19,877.00, 27,430.31 and 10,925.42 is: 15,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.00 : 27,430.31 = 10,925.42 : x
  2. Step 2: Convert to fraction form
    19,877.00/27,430.31 = 10,925.42/x
  3. Step 3: Cross multiply
    19,877.00x = 27,430.31 × 10,925.42
  4. Step 4: Simplify right side
    19,877.00x = 299,687,547.64
  5. Step 5: Solve for x
    x = 299,687,547.64/19,877.00
  6. Step 6: Final answer
    x = 15,077.11

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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.