Home / 20,572.09-28,394.28-14,605.63

Finding the Fourth Proportional to 20,572.09, 28,394.28 and 14,605.63

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Solution

The fourth proportional to 20,572.09, 28,394.28 and 14,605.63 is: 20,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.09 : 28,394.28 = 14,605.63 : x
  2. Step 2: Convert to fraction form
    20,572.09/28,394.28 = 14,605.63/x
  3. Step 3: Cross multiply
    20,572.09x = 28,394.28 × 14,605.63
  4. Step 4: Simplify right side
    20,572.09x = 414,716,276.81
  5. Step 5: Solve for x
    x = 414,716,276.81/20,572.09
  6. Step 6: Final answer
    x = 20,159.17

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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.