Home / 22,733.61-31,347.30-15,564.70

Finding the Fourth Proportional to 22,733.61, 31,347.30 and 15,564.70

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Solution

The fourth proportional to 22,733.61, 31,347.30 and 15,564.70 is: 21,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.61 : 31,347.30 = 15,564.70 : x
  2. Step 2: Convert to fraction form
    22,733.61/31,347.30 = 15,564.70/x
  3. Step 3: Cross multiply
    22,733.61x = 31,347.30 × 15,564.70
  4. Step 4: Simplify right side
    22,733.61x = 487,911,320.31
  5. Step 5: Solve for x
    x = 487,911,320.31/22,733.61
  6. Step 6: Final answer
    x = 21,462.11

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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.