Home / 23,283.63-32,123.08-15,628.78

Finding the Fourth Proportional to 23,283.63, 32,123.08 and 15,628.78

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Solution

The fourth proportional to 23,283.63, 32,123.08 and 15,628.78 is: 21,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.63 : 32,123.08 = 15,628.78 : x
  2. Step 2: Convert to fraction form
    23,283.63/32,123.08 = 15,628.78/x
  3. Step 3: Cross multiply
    23,283.63x = 32,123.08 × 15,628.78
  4. Step 4: Simplify right side
    23,283.63x = 502,044,430.86
  5. Step 5: Solve for x
    x = 502,044,430.86/23,283.63
  6. Step 6: Final answer
    x = 21,562.12

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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.