Home / 19,887.65-27,445.02-10,935.71

Finding the Fourth Proportional to 19,887.65, 27,445.02 and 10,935.71

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Solution

The fourth proportional to 19,887.65, 27,445.02 and 10,935.71 is: 15,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.65 : 27,445.02 = 10,935.71 : x
  2. Step 2: Convert to fraction form
    19,887.65/27,445.02 = 10,935.71/x
  3. Step 3: Cross multiply
    19,887.65x = 27,445.02 × 10,935.71
  4. Step 4: Simplify right side
    19,887.65x = 300,130,779.66
  5. Step 5: Solve for x
    x = 300,130,779.66/19,887.65
  6. Step 6: Final answer
    x = 15,091.31

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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.