Home / 28,030.01-38,641.22-22,051.30

Finding the Fourth Proportional to 28,030.01, 38,641.22 and 22,051.30

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Solution

The fourth proportional to 28,030.01, 38,641.22 and 22,051.30 is: 30,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.01 : 38,641.22 = 22,051.30 : x
  2. Step 2: Convert to fraction form
    28,030.01/38,641.22 = 22,051.30/x
  3. Step 3: Cross multiply
    28,030.01x = 38,641.22 × 22,051.30
  4. Step 4: Simplify right side
    28,030.01x = 852,088,996.51
  5. Step 5: Solve for x
    x = 852,088,996.51/28,030.01
  6. Step 6: Final answer
    x = 30,399.17

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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.