Home / 19,827.86-27,362.48-10,875.43

Finding the Fourth Proportional to 19,827.86, 27,362.48 and 10,875.43

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Solution

The fourth proportional to 19,827.86, 27,362.48 and 10,875.43 is: 15,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.86 : 27,362.48 = 10,875.43 : x
  2. Step 2: Convert to fraction form
    19,827.86/27,362.48 = 10,875.43/x
  3. Step 3: Cross multiply
    19,827.86x = 27,362.48 × 10,875.43
  4. Step 4: Simplify right side
    19,827.86x = 297,578,681.49
  5. Step 5: Solve for x
    x = 297,578,681.49/19,827.86
  6. Step 6: Final answer
    x = 15,008.11

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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.