Home / 22,875.28-31,570.68-13,444.72

Finding the Fourth Proportional to 22,875.28, 31,570.68 and 13,444.72

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Solution

The fourth proportional to 22,875.28, 31,570.68 and 13,444.72 is: 18,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,875.28 : 31,570.68 = 13,444.72 : x
  2. Step 2: Convert to fraction form
    22,875.28/31,570.68 = 13,444.72/x
  3. Step 3: Cross multiply
    22,875.28x = 31,570.68 × 13,444.72
  4. Step 4: Simplify right side
    22,875.28x = 424,458,952.81
  5. Step 5: Solve for x
    x = 424,458,952.81/22,875.28
  6. Step 6: Final answer
    x = 18,555.36

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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.