Home / 19,320.48-28,915.08-14,957.40

Finding the Fourth Proportional to 19,320.48, 28,915.08 and 14,957.40

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Solution

The fourth proportional to 19,320.48, 28,915.08 and 14,957.40 is: 22,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.48 : 28,915.08 = 14,957.40 : x
  2. Step 2: Convert to fraction form
    19,320.48/28,915.08 = 14,957.40/x
  3. Step 3: Cross multiply
    19,320.48x = 28,915.08 × 14,957.40
  4. Step 4: Simplify right side
    19,320.48x = 432,494,417.59
  5. Step 5: Solve for x
    x = 432,494,417.59/19,320.48
  6. Step 6: Final answer
    x = 22,385.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.