Home / 20,070.68-27,688.80-14,106.24

Finding the Fourth Proportional to 20,070.68, 27,688.80 and 14,106.24

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Solution

The fourth proportional to 20,070.68, 27,688.80 and 14,106.24 is: 19,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.68 : 27,688.80 = 14,106.24 : x
  2. Step 2: Convert to fraction form
    20,070.68/27,688.80 = 14,106.24/x
  3. Step 3: Cross multiply
    20,070.68x = 27,688.80 × 14,106.24
  4. Step 4: Simplify right side
    20,070.68x = 390,584,858.11
  5. Step 5: Solve for x
    x = 390,584,858.11/20,070.68
  6. Step 6: Final answer
    x = 19,460.47

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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.