Home / 22,886.40-31,582.08-13,451.52

Finding the Fourth Proportional to 22,886.40, 31,582.08 and 13,451.52

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Solution

The fourth proportional to 22,886.40, 31,582.08 and 13,451.52 is: 18,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,886.40 : 31,582.08 = 13,451.52 : x
  2. Step 2: Convert to fraction form
    22,886.40/31,582.08 = 13,451.52/x
  3. Step 3: Cross multiply
    22,886.40x = 31,582.08 × 13,451.52
  4. Step 4: Simplify right side
    22,886.40x = 424,826,980.76
  5. Step 5: Solve for x
    x = 424,826,980.76/22,886.40
  6. Step 6: Final answer
    x = 18,562.42

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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.