Home / 22,833.72-31,510.65-12,762.60

Finding the Fourth Proportional to 22,833.72, 31,510.65 and 12,762.60

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Solution

The fourth proportional to 22,833.72, 31,510.65 and 12,762.60 is: 17,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.72 : 31,510.65 = 12,762.60 : x
  2. Step 2: Convert to fraction form
    22,833.72/31,510.65 = 12,762.60/x
  3. Step 3: Cross multiply
    22,833.72x = 31,510.65 × 12,762.60
  4. Step 4: Simplify right side
    22,833.72x = 402,157,821.69
  5. Step 5: Solve for x
    x = 402,157,821.69/22,833.72
  6. Step 6: Final answer
    x = 17,612.45

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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.